From cafa59b9011a7790be4ddd5979419259844a165d Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Thu, 20 Dec 2012 16:35:47 -0500 Subject: [PATCH 01/13] drm/radeon: add connector table for Mac G4 Silver MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Apple cards do not provide data tables in the vbios so we have to hard code the connector parameters in the driver. Reported-by: Albrecht Dreß Signed-off-by: Alex Deucher Cc: stable@vger.kernel.org --- drivers/gpu/drm/radeon/radeon_combios.c | 51 +++++++++++++++++++++++++ drivers/gpu/drm/radeon/radeon_mode.h | 3 +- 2 files changed, 53 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/radeon/radeon_combios.c b/drivers/gpu/drm/radeon/radeon_combios.c index 4af89126e223..33a56a09ff10 100644 --- a/drivers/gpu/drm/radeon/radeon_combios.c +++ b/drivers/gpu/drm/radeon/radeon_combios.c @@ -1548,6 +1548,9 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev) of_machine_is_compatible("PowerBook6,7")) { /* ibook */ rdev->mode_info.connector_table = CT_IBOOK; + } else if (of_machine_is_compatible("PowerMac3,5")) { + /* PowerMac G4 Silver radeon 7500 */ + rdev->mode_info.connector_table = CT_MAC_G4_SILVER; } else if (of_machine_is_compatible("PowerMac4,4")) { /* emac */ rdev->mode_info.connector_table = CT_EMAC; @@ -2212,6 +2215,54 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev) CONNECTOR_OBJECT_ID_SVIDEO, &hpd); break; + case CT_MAC_G4_SILVER: + DRM_INFO("Connector Table: %d (mac g4 silver)\n", + rdev->mode_info.connector_table); + /* DVI-I - tv dac, int tmds */ + ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0); + hpd.hpd = RADEON_HPD_1; /* ??? */ + radeon_add_legacy_encoder(dev, + radeon_get_encoder_enum(dev, + ATOM_DEVICE_DFP1_SUPPORT, + 0), + ATOM_DEVICE_DFP1_SUPPORT); + radeon_add_legacy_encoder(dev, + radeon_get_encoder_enum(dev, + ATOM_DEVICE_CRT2_SUPPORT, + 2), + ATOM_DEVICE_CRT2_SUPPORT); + radeon_add_legacy_connector(dev, 0, + ATOM_DEVICE_DFP1_SUPPORT | + ATOM_DEVICE_CRT2_SUPPORT, + DRM_MODE_CONNECTOR_DVII, &ddc_i2c, + CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I, + &hpd); + /* VGA - primary dac */ + ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0); + hpd.hpd = RADEON_HPD_NONE; + radeon_add_legacy_encoder(dev, + radeon_get_encoder_enum(dev, + ATOM_DEVICE_CRT1_SUPPORT, + 1), + ATOM_DEVICE_CRT1_SUPPORT); + radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT1_SUPPORT, + DRM_MODE_CONNECTOR_VGA, &ddc_i2c, + CONNECTOR_OBJECT_ID_VGA, + &hpd); + /* TV - TV DAC */ + ddc_i2c.valid = false; + hpd.hpd = RADEON_HPD_NONE; + radeon_add_legacy_encoder(dev, + radeon_get_encoder_enum(dev, + ATOM_DEVICE_TV1_SUPPORT, + 2), + ATOM_DEVICE_TV1_SUPPORT); + radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT, + DRM_MODE_CONNECTOR_SVIDEO, + &ddc_i2c, + CONNECTOR_OBJECT_ID_SVIDEO, + &hpd); + break; default: DRM_INFO("Connector table: %d (invalid)\n", rdev->mode_info.connector_table); diff --git a/drivers/gpu/drm/radeon/radeon_mode.h b/drivers/gpu/drm/radeon/radeon_mode.h index d818b503b42f..ed8a0fadb6de 100644 --- a/drivers/gpu/drm/radeon/radeon_mode.h +++ b/drivers/gpu/drm/radeon/radeon_mode.h @@ -209,7 +209,8 @@ enum radeon_connector_table { CT_RN50_POWER, CT_MAC_X800, CT_MAC_G5_9600, - CT_SAM440EP + CT_SAM440EP, + CT_MAC_G4_SILVER }; enum radeon_dvo_chip { From 909d9eb67f1e4e39f2ea88e96bde03d560cde3eb Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Wed, 2 Jan 2013 18:30:21 -0500 Subject: [PATCH 02/13] drm/radeon/r6xx: fix DMA engine for ttm bo transfers count must be a multiple of 2. Fixes crashes on R6xx chips reported by a number of people. Cc: Borislav Petkov Cc: Markus Trippelsdorf Reviewed-by: Jerome Glisse Tested-by: Jerome Glisse Signed-off-by: Alex Deucher --- drivers/gpu/drm/radeon/r600.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c index 2aaf147969bd..9f4ce5eb9e9c 100644 --- a/drivers/gpu/drm/radeon/r600.c +++ b/drivers/gpu/drm/radeon/r600.c @@ -2636,8 +2636,8 @@ int r600_copy_dma(struct radeon_device *rdev, for (i = 0; i < num_loops; i++) { cur_size_in_dw = size_in_dw; - if (cur_size_in_dw > 0xFFFF) - cur_size_in_dw = 0xFFFF; + if (cur_size_in_dw > 0xFFFE) + cur_size_in_dw = 0xFFFE; size_in_dw -= cur_size_in_dw; radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_COPY, 0, 0, cur_size_in_dw)); radeon_ring_write(ring, dst_offset & 0xfffffffc); From 74795486b2966975e54dc869ffc19bb481bc8111 Mon Sep 17 00:00:00 2001 From: Jerome Glisse Date: Wed, 2 Jan 2013 15:12:14 -0500 Subject: [PATCH 03/13] drm/radeon: add debugfs file for dma rings Signed-off-by: Jerome Glisse Signed-off-by: Alex Deucher --- drivers/gpu/drm/radeon/radeon_ring.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/radeon/radeon_ring.c b/drivers/gpu/drm/radeon/radeon_ring.c index ebd69562ef6c..9410e438455d 100644 --- a/drivers/gpu/drm/radeon/radeon_ring.c +++ b/drivers/gpu/drm/radeon/radeon_ring.c @@ -794,11 +794,15 @@ static int radeon_debugfs_ring_info(struct seq_file *m, void *data) static int radeon_ring_type_gfx_index = RADEON_RING_TYPE_GFX_INDEX; static int cayman_ring_type_cp1_index = CAYMAN_RING_TYPE_CP1_INDEX; static int cayman_ring_type_cp2_index = CAYMAN_RING_TYPE_CP2_INDEX; +static int radeon_ring_type_dma1_index = R600_RING_TYPE_DMA_INDEX; +static int radeon_ring_type_dma2_index = CAYMAN_RING_TYPE_DMA1_INDEX; static struct drm_info_list radeon_debugfs_ring_info_list[] = { {"radeon_ring_gfx", radeon_debugfs_ring_info, 0, &radeon_ring_type_gfx_index}, {"radeon_ring_cp1", radeon_debugfs_ring_info, 0, &cayman_ring_type_cp1_index}, {"radeon_ring_cp2", radeon_debugfs_ring_info, 0, &cayman_ring_type_cp2_index}, + {"radeon_ring_dma1", radeon_debugfs_ring_info, 0, &radeon_ring_type_dma1_index}, + {"radeon_ring_dma2", radeon_debugfs_ring_info, 0, &radeon_ring_type_dma2_index}, }; static int radeon_debugfs_sa_info(struct seq_file *m, void *data) From 4d0091904cba756274bc4973157f63fb878befc3 Mon Sep 17 00:00:00 2001 From: Jerome Glisse Date: Wed, 2 Jan 2013 17:30:34 -0500 Subject: [PATCH 04/13] drm/radeon: improve ring debugfs printing Print 32dword before last know rptr as problem most likely comes from previous command. Also small cosmetic change to the printing. Signed-off-by: Jerome Glisse Signed-off-by: Alex Deucher --- drivers/gpu/drm/radeon/radeon_ring.c | 20 +++++++++++++------- 1 file changed, 13 insertions(+), 7 deletions(-) diff --git a/drivers/gpu/drm/radeon/radeon_ring.c b/drivers/gpu/drm/radeon/radeon_ring.c index 9410e438455d..141f2b6a9cf2 100644 --- a/drivers/gpu/drm/radeon/radeon_ring.c +++ b/drivers/gpu/drm/radeon/radeon_ring.c @@ -770,22 +770,28 @@ static int radeon_debugfs_ring_info(struct seq_file *m, void *data) int ridx = *(int*)node->info_ent->data; struct radeon_ring *ring = &rdev->ring[ridx]; unsigned count, i, j; + u32 tmp; radeon_ring_free_size(rdev, ring); count = (ring->ring_size / 4) - ring->ring_free_dw; - seq_printf(m, "wptr(0x%04x): 0x%08x\n", ring->wptr_reg, RREG32(ring->wptr_reg)); - seq_printf(m, "rptr(0x%04x): 0x%08x\n", ring->rptr_reg, RREG32(ring->rptr_reg)); + tmp = RREG32(ring->wptr_reg) >> ring->ptr_reg_shift; + seq_printf(m, "wptr(0x%04x): 0x%08x [%5d]\n", ring->wptr_reg, tmp, tmp); + tmp = RREG32(ring->rptr_reg) >> ring->ptr_reg_shift; + seq_printf(m, "rptr(0x%04x): 0x%08x [%5d]\n", ring->rptr_reg, tmp, tmp); if (ring->rptr_save_reg) { seq_printf(m, "rptr next(0x%04x): 0x%08x\n", ring->rptr_save_reg, RREG32(ring->rptr_save_reg)); } - seq_printf(m, "driver's copy of the wptr: 0x%08x\n", ring->wptr); - seq_printf(m, "driver's copy of the rptr: 0x%08x\n", ring->rptr); + seq_printf(m, "driver's copy of the wptr: 0x%08x [%5d]\n", ring->wptr, ring->wptr); + seq_printf(m, "driver's copy of the rptr: 0x%08x [%5d]\n", ring->rptr, ring->rptr); seq_printf(m, "%u free dwords in ring\n", ring->ring_free_dw); seq_printf(m, "%u dwords in ring\n", count); - i = ring->rptr; - for (j = 0; j <= count; j++) { - seq_printf(m, "r[%04d]=0x%08x\n", i, ring->ring[i]); + /* print 8 dw before current rptr as often it's the last executed + * packet that is the root issue + */ + i = (ring->rptr + ring->ptr_mask + 1 - 32) & ring->ptr_mask; + for (j = 0; j <= (count + 32); j++) { + seq_printf(m, "r[%5d]=0x%08x\n", i, ring->ring[i]); i = (i + 1) & ring->ptr_mask; } return 0; From eaaa6983ab2ccdf826c90838eb584211e0cadb76 Mon Sep 17 00:00:00 2001 From: Jerome Glisse Date: Wed, 2 Jan 2013 15:12:15 -0500 Subject: [PATCH 05/13] drm/radeon: print dma status reg on lockup (v2) To help debug dma related lockup. v2: agd5f: update SI as well Signed-off-by: Jerome Glisse Signed-off-by: Alex Deucher --- drivers/gpu/drm/radeon/evergreen.c | 4 ++++ drivers/gpu/drm/radeon/evergreend.h | 3 +++ drivers/gpu/drm/radeon/ni.c | 4 ++++ drivers/gpu/drm/radeon/nid.h | 1 - drivers/gpu/drm/radeon/r600.c | 4 ++++ drivers/gpu/drm/radeon/si.c | 9 +++++++++ drivers/gpu/drm/radeon/sid.h | 2 ++ 7 files changed, 26 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index f95d7fc1f5e0..6dc9ee78f4a8 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -2331,6 +2331,8 @@ static int evergreen_gpu_soft_reset(struct radeon_device *rdev) RREG32(CP_BUSY_STAT)); dev_info(rdev->dev, " R_008680_CP_STAT = 0x%08X\n", RREG32(CP_STAT)); + dev_info(rdev->dev, " R_00D034_DMA_STATUS_REG = 0x%08X\n", + RREG32(DMA_STATUS_REG)); evergreen_mc_stop(rdev, &save); if (evergreen_mc_wait_for_idle(rdev)) { dev_warn(rdev->dev, "Wait for MC idle timedout !\n"); @@ -2376,6 +2378,8 @@ static int evergreen_gpu_soft_reset(struct radeon_device *rdev) RREG32(CP_BUSY_STAT)); dev_info(rdev->dev, " R_008680_CP_STAT = 0x%08X\n", RREG32(CP_STAT)); + dev_info(rdev->dev, " R_00D034_DMA_STATUS_REG = 0x%08X\n", + RREG32(DMA_STATUS_REG)); evergreen_mc_resume(rdev, &save); return 0; } diff --git a/drivers/gpu/drm/radeon/evergreend.h b/drivers/gpu/drm/radeon/evergreend.h index cb9baaac9e85..f82f98a11a76 100644 --- a/drivers/gpu/drm/radeon/evergreend.h +++ b/drivers/gpu/drm/radeon/evergreend.h @@ -2027,4 +2027,7 @@ /* cayman packet3 addition */ #define CAYMAN_PACKET3_DEALLOC_STATE 0x14 +/* DMA regs common on r6xx/r7xx/evergreen/ni */ +#define DMA_STATUS_REG 0xd034 + #endif diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c index 7bdbcb00aaf2..6dae3878e397 100644 --- a/drivers/gpu/drm/radeon/ni.c +++ b/drivers/gpu/drm/radeon/ni.c @@ -1331,6 +1331,8 @@ static int cayman_gpu_soft_reset(struct radeon_device *rdev) RREG32(CP_BUSY_STAT)); dev_info(rdev->dev, " R_008680_CP_STAT = 0x%08X\n", RREG32(CP_STAT)); + dev_info(rdev->dev, " R_00D034_DMA_STATUS_REG = 0x%08X\n", + RREG32(DMA_STATUS_REG)); dev_info(rdev->dev, " VM_CONTEXT0_PROTECTION_FAULT_ADDR 0x%08X\n", RREG32(0x14F8)); dev_info(rdev->dev, " VM_CONTEXT0_PROTECTION_FAULT_STATUS 0x%08X\n", @@ -1387,6 +1389,8 @@ static int cayman_gpu_soft_reset(struct radeon_device *rdev) RREG32(CP_BUSY_STAT)); dev_info(rdev->dev, " R_008680_CP_STAT = 0x%08X\n", RREG32(CP_STAT)); + dev_info(rdev->dev, " R_00D034_DMA_STATUS_REG = 0x%08X\n", + RREG32(DMA_STATUS_REG)); evergreen_mc_resume(rdev, &save); return 0; } diff --git a/drivers/gpu/drm/radeon/nid.h b/drivers/gpu/drm/radeon/nid.h index b93186b8ee4b..22a62c673fec 100644 --- a/drivers/gpu/drm/radeon/nid.h +++ b/drivers/gpu/drm/radeon/nid.h @@ -675,4 +675,3 @@ #define DMA_PACKET_NOP 0xf #endif - diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c index 9f4ce5eb9e9c..252067bba2d9 100644 --- a/drivers/gpu/drm/radeon/r600.c +++ b/drivers/gpu/drm/radeon/r600.c @@ -1297,6 +1297,8 @@ static int r600_gpu_soft_reset(struct radeon_device *rdev) RREG32(CP_BUSY_STAT)); dev_info(rdev->dev, " R_008680_CP_STAT = 0x%08X\n", RREG32(CP_STAT)); + dev_info(rdev->dev, " R_00D034_DMA_STATUS_REG = 0x%08X\n", + RREG32(DMA_STATUS_REG)); rv515_mc_stop(rdev, &save); if (r600_mc_wait_for_idle(rdev)) { dev_warn(rdev->dev, "Wait for MC idle timedout !\n"); @@ -1348,6 +1350,8 @@ static int r600_gpu_soft_reset(struct radeon_device *rdev) RREG32(CP_BUSY_STAT)); dev_info(rdev->dev, " R_008680_CP_STAT = 0x%08X\n", RREG32(CP_STAT)); + dev_info(rdev->dev, " R_00D034_DMA_STATUS_REG = 0x%08X\n", + RREG32(DMA_STATUS_REG)); rv515_mc_resume(rdev, &save); return 0; } diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c index ef683653f0b7..74d38452c5c1 100644 --- a/drivers/gpu/drm/radeon/si.c +++ b/drivers/gpu/drm/radeon/si.c @@ -2145,6 +2145,13 @@ static int si_gpu_soft_reset(struct radeon_device *rdev) RREG32(GRBM_STATUS_SE1)); dev_info(rdev->dev, " SRBM_STATUS=0x%08X\n", RREG32(SRBM_STATUS)); + dev_info(rdev->dev, " DMA_STATUS_REG = 0x%08X\n", + RREG32(DMA_STATUS_REG)); + dev_info(rdev->dev, " VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x%08X\n", + RREG32(VM_CONTEXT1_PROTECTION_FAULT_ADDR)); + dev_info(rdev->dev, " VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n", + RREG32(VM_CONTEXT1_PROTECTION_FAULT_STATUS)); + evergreen_mc_stop(rdev, &save); if (radeon_mc_wait_for_idle(rdev)) { dev_warn(rdev->dev, "Wait for MC idle timedout !\n"); @@ -2185,6 +2192,8 @@ static int si_gpu_soft_reset(struct radeon_device *rdev) RREG32(GRBM_STATUS_SE1)); dev_info(rdev->dev, " SRBM_STATUS=0x%08X\n", RREG32(SRBM_STATUS)); + dev_info(rdev->dev, " DMA_STATUS_REG = 0x%08X\n", + RREG32(DMA_STATUS_REG)); evergreen_mc_resume(rdev, &save); return 0; } diff --git a/drivers/gpu/drm/radeon/sid.h b/drivers/gpu/drm/radeon/sid.h index 62b46215d423..98909b264ac2 100644 --- a/drivers/gpu/drm/radeon/sid.h +++ b/drivers/gpu/drm/radeon/sid.h @@ -1013,6 +1013,8 @@ # define DATA_SWAP_ENABLE (1 << 3) # define FENCE_SWAP_ENABLE (1 << 4) # define CTXEMPTY_INT_ENABLE (1 << 28) +#define DMA_STATUS_REG 0xd034 +# define DMA_IDLE (1 << 0) #define DMA_TILING_CONFIG 0xd0b8 #define DMA_PACKET(cmd, b, t, s, n) ((((cmd) & 0xF) << 28) | \ From 64c56e8ce377842c8c8ff41054530480c7128c0b Mon Sep 17 00:00:00 2001 From: Jerome Glisse Date: Wed, 2 Jan 2013 17:30:35 -0500 Subject: [PATCH 06/13] drm/radeon: reset dma engine on gpu reset (v2) This try to reset the dma engine when performing gpu reset. Hopefully bringing back the gpu dma engine in sane state. v2: agd5f: fix dma reset on cayman/TN, add support for SI Signed-off-by: Jerome Glisse Signed-off-by: Alex Deucher --- drivers/gpu/drm/radeon/evergreen.c | 30 +++++++++++++++++-------- drivers/gpu/drm/radeon/evergreend.h | 10 ++++++++- drivers/gpu/drm/radeon/ni.c | 35 +++++++++++++++++++++-------- drivers/gpu/drm/radeon/nid.h | 2 +- drivers/gpu/drm/radeon/r600.c | 28 ++++++++++++++++++----- drivers/gpu/drm/radeon/si.c | 18 ++++++++++++++- drivers/gpu/drm/radeon/sid.h | 16 +++++++++++++ 7 files changed, 112 insertions(+), 27 deletions(-) diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index 6dc9ee78f4a8..f92f6bb18872 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -2309,19 +2309,19 @@ bool evergreen_gpu_is_lockup(struct radeon_device *rdev, struct radeon_ring *rin static int evergreen_gpu_soft_reset(struct radeon_device *rdev) { struct evergreen_mc_save save; - u32 grbm_reset = 0; + u32 grbm_reset = 0, tmp; if (!(RREG32(GRBM_STATUS) & GUI_ACTIVE)) return 0; dev_info(rdev->dev, "GPU softreset \n"); - dev_info(rdev->dev, " GRBM_STATUS=0x%08X\n", + dev_info(rdev->dev, " GRBM_STATUS = 0x%08X\n", RREG32(GRBM_STATUS)); - dev_info(rdev->dev, " GRBM_STATUS_SE0=0x%08X\n", + dev_info(rdev->dev, " GRBM_STATUS_SE0 = 0x%08X\n", RREG32(GRBM_STATUS_SE0)); - dev_info(rdev->dev, " GRBM_STATUS_SE1=0x%08X\n", + dev_info(rdev->dev, " GRBM_STATUS_SE1 = 0x%08X\n", RREG32(GRBM_STATUS_SE1)); - dev_info(rdev->dev, " SRBM_STATUS=0x%08X\n", + dev_info(rdev->dev, " SRBM_STATUS = 0x%08X\n", RREG32(SRBM_STATUS)); dev_info(rdev->dev, " R_008674_CP_STALLED_STAT1 = 0x%08X\n", RREG32(CP_STALLED_STAT1)); @@ -2337,9 +2337,21 @@ static int evergreen_gpu_soft_reset(struct radeon_device *rdev) if (evergreen_mc_wait_for_idle(rdev)) { dev_warn(rdev->dev, "Wait for MC idle timedout !\n"); } + /* Disable CP parsing/prefetching */ WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT); + /* Disable DMA */ + tmp = RREG32(DMA_RB_CNTL); + tmp &= ~DMA_RB_ENABLE; + WREG32(DMA_RB_CNTL, tmp); + + /* Reset dma */ + WREG32(SRBM_SOFT_RESET, SOFT_RESET_DMA); + RREG32(SRBM_SOFT_RESET); + udelay(50); + WREG32(SRBM_SOFT_RESET, 0); + /* reset all the gfx blocks */ grbm_reset = (SOFT_RESET_CP | SOFT_RESET_CB | @@ -2362,13 +2374,13 @@ static int evergreen_gpu_soft_reset(struct radeon_device *rdev) (void)RREG32(GRBM_SOFT_RESET); /* Wait a little for things to settle down */ udelay(50); - dev_info(rdev->dev, " GRBM_STATUS=0x%08X\n", + dev_info(rdev->dev, " GRBM_STATUS = 0x%08X\n", RREG32(GRBM_STATUS)); - dev_info(rdev->dev, " GRBM_STATUS_SE0=0x%08X\n", + dev_info(rdev->dev, " GRBM_STATUS_SE0 = 0x%08X\n", RREG32(GRBM_STATUS_SE0)); - dev_info(rdev->dev, " GRBM_STATUS_SE1=0x%08X\n", + dev_info(rdev->dev, " GRBM_STATUS_SE1 = 0x%08X\n", RREG32(GRBM_STATUS_SE1)); - dev_info(rdev->dev, " SRBM_STATUS=0x%08X\n", + dev_info(rdev->dev, " SRBM_STATUS = 0x%08X\n", RREG32(SRBM_STATUS)); dev_info(rdev->dev, " R_008674_CP_STALLED_STAT1 = 0x%08X\n", RREG32(CP_STALLED_STAT1)); diff --git a/drivers/gpu/drm/radeon/evergreend.h b/drivers/gpu/drm/radeon/evergreend.h index f82f98a11a76..5786a32e7bda 100644 --- a/drivers/gpu/drm/radeon/evergreend.h +++ b/drivers/gpu/drm/radeon/evergreend.h @@ -742,8 +742,9 @@ #define SOFT_RESET_ROM (1 << 14) #define SOFT_RESET_SEM (1 << 15) #define SOFT_RESET_VMC (1 << 17) +#define SOFT_RESET_DMA (1 << 20) #define SOFT_RESET_TST (1 << 21) -#define SOFT_RESET_REGBB (1 << 22) +#define SOFT_RESET_REGBB (1 << 22) #define SOFT_RESET_ORB (1 << 23) /* display watermarks */ @@ -2028,6 +2029,13 @@ #define CAYMAN_PACKET3_DEALLOC_STATE 0x14 /* DMA regs common on r6xx/r7xx/evergreen/ni */ +#define DMA_RB_CNTL 0xd000 +# define DMA_RB_ENABLE (1 << 0) +# define DMA_RB_SIZE(x) ((x) << 1) /* log2 */ +# define DMA_RB_SWAP_ENABLE (1 << 9) /* 8IN32 */ +# define DMA_RPTR_WRITEBACK_ENABLE (1 << 12) +# define DMA_RPTR_WRITEBACK_SWAP_ENABLE (1 << 13) /* 8IN32 */ +# define DMA_RPTR_WRITEBACK_TIMER(x) ((x) << 16) /* log2 */ #define DMA_STATUS_REG 0xd034 #endif diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c index 6dae3878e397..8a9a75d1cb00 100644 --- a/drivers/gpu/drm/radeon/ni.c +++ b/drivers/gpu/drm/radeon/ni.c @@ -1309,19 +1309,19 @@ void cayman_dma_fini(struct radeon_device *rdev) static int cayman_gpu_soft_reset(struct radeon_device *rdev) { struct evergreen_mc_save save; - u32 grbm_reset = 0; + u32 grbm_reset = 0, tmp; if (!(RREG32(GRBM_STATUS) & GUI_ACTIVE)) return 0; dev_info(rdev->dev, "GPU softreset \n"); - dev_info(rdev->dev, " GRBM_STATUS=0x%08X\n", + dev_info(rdev->dev, " GRBM_STATUS = 0x%08X\n", RREG32(GRBM_STATUS)); - dev_info(rdev->dev, " GRBM_STATUS_SE0=0x%08X\n", + dev_info(rdev->dev, " GRBM_STATUS_SE0 = 0x%08X\n", RREG32(GRBM_STATUS_SE0)); - dev_info(rdev->dev, " GRBM_STATUS_SE1=0x%08X\n", + dev_info(rdev->dev, " GRBM_STATUS_SE1 = 0x%08X\n", RREG32(GRBM_STATUS_SE1)); - dev_info(rdev->dev, " SRBM_STATUS=0x%08X\n", + dev_info(rdev->dev, " SRBM_STATUS = 0x%08X\n", RREG32(SRBM_STATUS)); dev_info(rdev->dev, " R_008674_CP_STALLED_STAT1 = 0x%08X\n", RREG32(CP_STALLED_STAT1)); @@ -1346,9 +1346,26 @@ static int cayman_gpu_soft_reset(struct radeon_device *rdev) if (evergreen_mc_wait_for_idle(rdev)) { dev_warn(rdev->dev, "Wait for MC idle timedout !\n"); } + /* Disable CP parsing/prefetching */ WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT); + /* dma0 */ + tmp = RREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET); + tmp &= ~DMA_RB_ENABLE; + WREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET, tmp); + + /* dma1 */ + tmp = RREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET); + tmp &= ~DMA_RB_ENABLE; + WREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET, tmp); + + /* Reset dma */ + WREG32(SRBM_SOFT_RESET, SOFT_RESET_DMA | SOFT_RESET_DMA1); + RREG32(SRBM_SOFT_RESET); + udelay(50); + WREG32(SRBM_SOFT_RESET, 0); + /* reset all the gfx blocks */ grbm_reset = (SOFT_RESET_CP | SOFT_RESET_CB | @@ -1373,13 +1390,13 @@ static int cayman_gpu_soft_reset(struct radeon_device *rdev) /* Wait a little for things to settle down */ udelay(50); - dev_info(rdev->dev, " GRBM_STATUS=0x%08X\n", + dev_info(rdev->dev, " GRBM_STATUS = 0x%08X\n", RREG32(GRBM_STATUS)); - dev_info(rdev->dev, " GRBM_STATUS_SE0=0x%08X\n", + dev_info(rdev->dev, " GRBM_STATUS_SE0 = 0x%08X\n", RREG32(GRBM_STATUS_SE0)); - dev_info(rdev->dev, " GRBM_STATUS_SE1=0x%08X\n", + dev_info(rdev->dev, " GRBM_STATUS_SE1 = 0x%08X\n", RREG32(GRBM_STATUS_SE1)); - dev_info(rdev->dev, " SRBM_STATUS=0x%08X\n", + dev_info(rdev->dev, " SRBM_STATUS = 0x%08X\n", RREG32(SRBM_STATUS)); dev_info(rdev->dev, " R_008674_CP_STALLED_STAT1 = 0x%08X\n", RREG32(CP_STALLED_STAT1)); diff --git a/drivers/gpu/drm/radeon/nid.h b/drivers/gpu/drm/radeon/nid.h index 22a62c673fec..48e5022ee921 100644 --- a/drivers/gpu/drm/radeon/nid.h +++ b/drivers/gpu/drm/radeon/nid.h @@ -65,7 +65,7 @@ #define SOFT_RESET_VMC (1 << 17) #define SOFT_RESET_DMA (1 << 20) #define SOFT_RESET_TST (1 << 21) -#define SOFT_RESET_REGBB (1 << 22) +#define SOFT_RESET_REGBB (1 << 22) #define SOFT_RESET_ORB (1 << 23) #define VM_CONTEXT0_REQUEST_RESPONSE 0x1470 diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c index 252067bba2d9..721b5afd792a 100644 --- a/drivers/gpu/drm/radeon/r600.c +++ b/drivers/gpu/drm/radeon/r600.c @@ -1283,11 +1283,11 @@ static int r600_gpu_soft_reset(struct radeon_device *rdev) return 0; dev_info(rdev->dev, "GPU softreset \n"); - dev_info(rdev->dev, " R_008010_GRBM_STATUS=0x%08X\n", + dev_info(rdev->dev, " R_008010_GRBM_STATUS = 0x%08X\n", RREG32(R_008010_GRBM_STATUS)); - dev_info(rdev->dev, " R_008014_GRBM_STATUS2=0x%08X\n", + dev_info(rdev->dev, " R_008014_GRBM_STATUS2 = 0x%08X\n", RREG32(R_008014_GRBM_STATUS2)); - dev_info(rdev->dev, " R_000E50_SRBM_STATUS=0x%08X\n", + dev_info(rdev->dev, " R_000E50_SRBM_STATUS = 0x%08X\n", RREG32(R_000E50_SRBM_STATUS)); dev_info(rdev->dev, " R_008674_CP_STALLED_STAT1 = 0x%08X\n", RREG32(CP_STALLED_STAT1)); @@ -1303,8 +1303,24 @@ static int r600_gpu_soft_reset(struct radeon_device *rdev) if (r600_mc_wait_for_idle(rdev)) { dev_warn(rdev->dev, "Wait for MC idle timedout !\n"); } + /* Disable CP parsing/prefetching */ WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1)); + + /* Disable DMA */ + tmp = RREG32(DMA_RB_CNTL); + tmp &= ~DMA_RB_ENABLE; + WREG32(DMA_RB_CNTL, tmp); + + /* Reset dma */ + if (rdev->family >= CHIP_RV770) + WREG32(SRBM_SOFT_RESET, RV770_SOFT_RESET_DMA); + else + WREG32(SRBM_SOFT_RESET, SOFT_RESET_DMA); + RREG32(SRBM_SOFT_RESET); + udelay(50); + WREG32(SRBM_SOFT_RESET, 0); + /* Check if any of the rendering block is busy and reset it */ if ((RREG32(R_008010_GRBM_STATUS) & grbm_busy_mask) || (RREG32(R_008014_GRBM_STATUS2) & grbm2_busy_mask)) { @@ -1336,11 +1352,11 @@ static int r600_gpu_soft_reset(struct radeon_device *rdev) WREG32(R_008020_GRBM_SOFT_RESET, 0); /* Wait a little for things to settle down */ mdelay(1); - dev_info(rdev->dev, " R_008010_GRBM_STATUS=0x%08X\n", + dev_info(rdev->dev, " R_008010_GRBM_STATUS = 0x%08X\n", RREG32(R_008010_GRBM_STATUS)); - dev_info(rdev->dev, " R_008014_GRBM_STATUS2=0x%08X\n", + dev_info(rdev->dev, " R_008014_GRBM_STATUS2 = 0x%08X\n", RREG32(R_008014_GRBM_STATUS2)); - dev_info(rdev->dev, " R_000E50_SRBM_STATUS=0x%08X\n", + dev_info(rdev->dev, " R_000E50_SRBM_STATUS = 0x%08X\n", RREG32(R_000E50_SRBM_STATUS)); dev_info(rdev->dev, " R_008674_CP_STALLED_STAT1 = 0x%08X\n", RREG32(CP_STALLED_STAT1)); diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c index 74d38452c5c1..4bf17334927a 100644 --- a/drivers/gpu/drm/radeon/si.c +++ b/drivers/gpu/drm/radeon/si.c @@ -2129,7 +2129,7 @@ bool si_gpu_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring) static int si_gpu_soft_reset(struct radeon_device *rdev) { struct evergreen_mc_save save; - u32 grbm_reset = 0; + u32 grbm_reset = 0, tmp; if (!(RREG32(GRBM_STATUS) & GUI_ACTIVE)) return 0; @@ -2159,6 +2159,22 @@ static int si_gpu_soft_reset(struct radeon_device *rdev) /* Disable CP parsing/prefetching */ WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT | CP_CE_HALT); + /* dma0 */ + tmp = RREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET); + tmp &= ~DMA_RB_ENABLE; + WREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET, tmp); + + /* dma1 */ + tmp = RREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET); + tmp &= ~DMA_RB_ENABLE; + WREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET, tmp); + + /* Reset dma */ + WREG32(SRBM_SOFT_RESET, SOFT_RESET_DMA | SOFT_RESET_DMA1); + RREG32(SRBM_SOFT_RESET); + udelay(50); + WREG32(SRBM_SOFT_RESET, 0); + /* reset all the gfx blocks */ grbm_reset = (SOFT_RESET_CP | SOFT_RESET_CB | diff --git a/drivers/gpu/drm/radeon/sid.h b/drivers/gpu/drm/radeon/sid.h index 98909b264ac2..c056aae814f0 100644 --- a/drivers/gpu/drm/radeon/sid.h +++ b/drivers/gpu/drm/radeon/sid.h @@ -62,6 +62,22 @@ #define SRBM_STATUS 0xE50 +#define SRBM_SOFT_RESET 0x0E60 +#define SOFT_RESET_BIF (1 << 1) +#define SOFT_RESET_DC (1 << 5) +#define SOFT_RESET_DMA1 (1 << 6) +#define SOFT_RESET_GRBM (1 << 8) +#define SOFT_RESET_HDP (1 << 9) +#define SOFT_RESET_IH (1 << 10) +#define SOFT_RESET_MC (1 << 11) +#define SOFT_RESET_ROM (1 << 14) +#define SOFT_RESET_SEM (1 << 15) +#define SOFT_RESET_VMC (1 << 17) +#define SOFT_RESET_DMA (1 << 20) +#define SOFT_RESET_TST (1 << 21) +#define SOFT_RESET_REGBB (1 << 22) +#define SOFT_RESET_ORB (1 << 23) + #define CC_SYS_RB_BACKEND_DISABLE 0xe80 #define GC_USER_SYS_RB_BACKEND_DISABLE 0xe84 From 0a9069d34918659bc8a89e21e69e60b2b83291a3 Mon Sep 17 00:00:00 2001 From: Niels Ole Salscheider Date: Thu, 3 Jan 2013 19:09:28 +0100 Subject: [PATCH 07/13] drm/radeon: Properly handle DDC probe for DP bridges DDC information can be accessed using AUX CH Fixes failure to probe monitors on some systems with DP bridge chips. agd5f: minor fixes Signed-off-by: Niels Ole Salscheider Signed-off-by: Alex Deucher Cc: stable@vger.kernel.org --- drivers/gpu/drm/radeon/radeon_connectors.c | 10 ++++++---- drivers/gpu/drm/radeon/radeon_display.c | 13 +++++++++---- drivers/gpu/drm/radeon/radeon_i2c.c | 10 ++++++++-- drivers/gpu/drm/radeon/radeon_mode.h | 2 +- 4 files changed, 24 insertions(+), 11 deletions(-) diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c index 47bf162ab9c6..2399f25ec037 100644 --- a/drivers/gpu/drm/radeon/radeon_connectors.c +++ b/drivers/gpu/drm/radeon/radeon_connectors.c @@ -741,7 +741,7 @@ radeon_vga_detect(struct drm_connector *connector, bool force) ret = connector_status_disconnected; if (radeon_connector->ddc_bus) - dret = radeon_ddc_probe(radeon_connector); + dret = radeon_ddc_probe(radeon_connector, false); if (dret) { radeon_connector->detected_by_load = false; if (radeon_connector->edid) { @@ -947,7 +947,7 @@ radeon_dvi_detect(struct drm_connector *connector, bool force) return connector->status; if (radeon_connector->ddc_bus) - dret = radeon_ddc_probe(radeon_connector); + dret = radeon_ddc_probe(radeon_connector, false); if (dret) { radeon_connector->detected_by_load = false; if (radeon_connector->edid) { @@ -1401,7 +1401,8 @@ radeon_dp_detect(struct drm_connector *connector, bool force) if (encoder) { /* setup ddc on the bridge */ radeon_atom_ext_encoder_setup_ddc(encoder); - if (radeon_ddc_probe(radeon_connector)) /* try DDC */ + /* bridge chips are always aux */ + if (radeon_ddc_probe(radeon_connector, true)) /* try DDC */ ret = connector_status_connected; else if (radeon_connector->dac_load_detect) { /* try load detection */ struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private; @@ -1419,7 +1420,8 @@ radeon_dp_detect(struct drm_connector *connector, bool force) if (radeon_dp_getdpcd(radeon_connector)) ret = connector_status_connected; } else { - if (radeon_ddc_probe(radeon_connector)) + /* try non-aux ddc (DP to DVI/HMDI/etc. adapter) */ + if (radeon_ddc_probe(radeon_connector, false)) ret = connector_status_connected; } } diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c index 310c0e5254ba..1da2386d7cf7 100644 --- a/drivers/gpu/drm/radeon/radeon_display.c +++ b/drivers/gpu/drm/radeon/radeon_display.c @@ -699,10 +699,15 @@ int radeon_ddc_get_modes(struct radeon_connector *radeon_connector) if (radeon_connector->router.ddc_valid) radeon_router_select_ddc_port(radeon_connector); - if ((radeon_connector->base.connector_type == DRM_MODE_CONNECTOR_DisplayPort) || - (radeon_connector->base.connector_type == DRM_MODE_CONNECTOR_eDP) || - (radeon_connector_encoder_get_dp_bridge_encoder_id(&radeon_connector->base) != - ENCODER_OBJECT_ID_NONE)) { + if (radeon_connector_encoder_get_dp_bridge_encoder_id(&radeon_connector->base) != + ENCODER_OBJECT_ID_NONE) { + struct radeon_connector_atom_dig *dig = radeon_connector->con_priv; + + if (dig->dp_i2c_bus) + radeon_connector->edid = drm_get_edid(&radeon_connector->base, + &dig->dp_i2c_bus->adapter); + } else if ((radeon_connector->base.connector_type == DRM_MODE_CONNECTOR_DisplayPort) || + (radeon_connector->base.connector_type == DRM_MODE_CONNECTOR_eDP)) { struct radeon_connector_atom_dig *dig = radeon_connector->con_priv; if ((dig->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT || diff --git a/drivers/gpu/drm/radeon/radeon_i2c.c b/drivers/gpu/drm/radeon/radeon_i2c.c index c5bddd630eb9..fc60b74ee304 100644 --- a/drivers/gpu/drm/radeon/radeon_i2c.c +++ b/drivers/gpu/drm/radeon/radeon_i2c.c @@ -39,7 +39,7 @@ extern u32 radeon_atom_hw_i2c_func(struct i2c_adapter *adap); * radeon_ddc_probe * */ -bool radeon_ddc_probe(struct radeon_connector *radeon_connector) +bool radeon_ddc_probe(struct radeon_connector *radeon_connector, bool use_aux) { u8 out = 0x0; u8 buf[8]; @@ -63,7 +63,13 @@ bool radeon_ddc_probe(struct radeon_connector *radeon_connector) if (radeon_connector->router.ddc_valid) radeon_router_select_ddc_port(radeon_connector); - ret = i2c_transfer(&radeon_connector->ddc_bus->adapter, msgs, 2); + if (use_aux) { + struct radeon_connector_atom_dig *dig = radeon_connector->con_priv; + ret = i2c_transfer(&dig->dp_i2c_bus->adapter, msgs, 2); + } else { + ret = i2c_transfer(&radeon_connector->ddc_bus->adapter, msgs, 2); + } + if (ret != 2) /* Couldn't find an accessible DDC on this connector */ return false; diff --git a/drivers/gpu/drm/radeon/radeon_mode.h b/drivers/gpu/drm/radeon/radeon_mode.h index ed8a0fadb6de..4003f5a68c09 100644 --- a/drivers/gpu/drm/radeon/radeon_mode.h +++ b/drivers/gpu/drm/radeon/radeon_mode.h @@ -559,7 +559,7 @@ extern void radeon_i2c_put_byte(struct radeon_i2c_chan *i2c, u8 val); extern void radeon_router_select_ddc_port(struct radeon_connector *radeon_connector); extern void radeon_router_select_cd_port(struct radeon_connector *radeon_connector); -extern bool radeon_ddc_probe(struct radeon_connector *radeon_connector); +extern bool radeon_ddc_probe(struct radeon_connector *radeon_connector, bool use_aux); extern int radeon_ddc_get_modes(struct radeon_connector *radeon_connector); extern struct drm_encoder *radeon_best_encoder(struct drm_connector *connector); From 4b681c2843cff55bac354abd1cad577d41e10807 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Thu, 3 Jan 2013 19:54:34 -0500 Subject: [PATCH 08/13] drm/radeon: fix typo in evergreen dma fence SRBM write packet takes DW aligned registers. Signed-off-by: Alex Deucher --- drivers/gpu/drm/radeon/evergreen.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index f92f6bb18872..dcdff14dc13f 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -3231,7 +3231,7 @@ void evergreen_dma_fence_ring_emit(struct radeon_device *rdev, radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_TRAP, 0, 0, 0)); /* flush HDP */ radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_SRBM_WRITE, 0, 0, 0)); - radeon_ring_write(ring, (0xf << 16) | HDP_MEM_COHERENCY_FLUSH_CNTL); + radeon_ring_write(ring, (0xf << 16) | (HDP_MEM_COHERENCY_FLUSH_CNTL >> 2)); radeon_ring_write(ring, 1); } From ec46c76d506e845d28d60d0a9f0e993d517030f5 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Thu, 3 Jan 2013 12:07:30 -0500 Subject: [PATCH 09/13] drm/radeon: add GPU reset flags The idea here is to move to a finer grained reset. In some cases we may not need reset every block, and in other cases we may not need to re-init the entire asic. Reviewed-by: Jerome Glisse Signed-off-by: Alex Deucher --- drivers/gpu/drm/radeon/radeon.h | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h index 9b9422c4403a..34e52304a525 100644 --- a/drivers/gpu/drm/radeon/radeon.h +++ b/drivers/gpu/drm/radeon/radeon.h @@ -132,6 +132,11 @@ extern int radeon_lockup_timeout; #define RADEON_VA_RESERVED_SIZE (8 << 20) #define RADEON_IB_VM_MAX_SIZE (64 << 10) +/* reset flags */ +#define RADEON_RESET_GFX (1 << 0) +#define RADEON_RESET_COMPUTE (1 << 1) +#define RADEON_RESET_DMA (1 << 2) + /* * Errata workarounds. */ From 71e3d1578c954cf29f1f4db1c8930d3574025eb0 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Thu, 3 Jan 2013 12:20:35 -0500 Subject: [PATCH 10/13] drm/radeon: switch to a finer grained reset for r6xx/7xx No change in functionality as we currently set all the reset flags. Reviewed-by: Jerome Glisse Signed-off-by: Alex Deucher --- drivers/gpu/drm/radeon/r600.c | 85 ++++++++++++++++++++++++----------- 1 file changed, 58 insertions(+), 27 deletions(-) diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c index 721b5afd792a..923f93647042 100644 --- a/drivers/gpu/drm/radeon/r600.c +++ b/drivers/gpu/drm/radeon/r600.c @@ -1258,9 +1258,8 @@ void r600_vram_scratch_fini(struct radeon_device *rdev) * reset, it's up to the caller to determine if the GPU needs one. We * might add an helper function to check that. */ -static int r600_gpu_soft_reset(struct radeon_device *rdev) +static void r600_gpu_soft_reset_gfx(struct radeon_device *rdev) { - struct rv515_mc_save save; u32 grbm_busy_mask = S_008010_VC_BUSY(1) | S_008010_VGT_BUSY_NO_DMA(1) | S_008010_VGT_BUSY(1) | S_008010_TA03_BUSY(1) | S_008010_TC_BUSY(1) | S_008010_SX_BUSY(1) | @@ -1280,9 +1279,8 @@ static int r600_gpu_soft_reset(struct radeon_device *rdev) u32 tmp; if (!(RREG32(GRBM_STATUS) & GUI_ACTIVE)) - return 0; + return; - dev_info(rdev->dev, "GPU softreset \n"); dev_info(rdev->dev, " R_008010_GRBM_STATUS = 0x%08X\n", RREG32(R_008010_GRBM_STATUS)); dev_info(rdev->dev, " R_008014_GRBM_STATUS2 = 0x%08X\n", @@ -1297,30 +1295,10 @@ static int r600_gpu_soft_reset(struct radeon_device *rdev) RREG32(CP_BUSY_STAT)); dev_info(rdev->dev, " R_008680_CP_STAT = 0x%08X\n", RREG32(CP_STAT)); - dev_info(rdev->dev, " R_00D034_DMA_STATUS_REG = 0x%08X\n", - RREG32(DMA_STATUS_REG)); - rv515_mc_stop(rdev, &save); - if (r600_mc_wait_for_idle(rdev)) { - dev_warn(rdev->dev, "Wait for MC idle timedout !\n"); - } /* Disable CP parsing/prefetching */ WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1)); - /* Disable DMA */ - tmp = RREG32(DMA_RB_CNTL); - tmp &= ~DMA_RB_ENABLE; - WREG32(DMA_RB_CNTL, tmp); - - /* Reset dma */ - if (rdev->family >= CHIP_RV770) - WREG32(SRBM_SOFT_RESET, RV770_SOFT_RESET_DMA); - else - WREG32(SRBM_SOFT_RESET, SOFT_RESET_DMA); - RREG32(SRBM_SOFT_RESET); - udelay(50); - WREG32(SRBM_SOFT_RESET, 0); - /* Check if any of the rendering block is busy and reset it */ if ((RREG32(R_008010_GRBM_STATUS) & grbm_busy_mask) || (RREG32(R_008014_GRBM_STATUS2) & grbm2_busy_mask)) { @@ -1350,8 +1328,7 @@ static int r600_gpu_soft_reset(struct radeon_device *rdev) RREG32(R_008020_GRBM_SOFT_RESET); mdelay(15); WREG32(R_008020_GRBM_SOFT_RESET, 0); - /* Wait a little for things to settle down */ - mdelay(1); + dev_info(rdev->dev, " R_008010_GRBM_STATUS = 0x%08X\n", RREG32(R_008010_GRBM_STATUS)); dev_info(rdev->dev, " R_008014_GRBM_STATUS2 = 0x%08X\n", @@ -1366,8 +1343,60 @@ static int r600_gpu_soft_reset(struct radeon_device *rdev) RREG32(CP_BUSY_STAT)); dev_info(rdev->dev, " R_008680_CP_STAT = 0x%08X\n", RREG32(CP_STAT)); + +} + +static void r600_gpu_soft_reset_dma(struct radeon_device *rdev) +{ + u32 tmp; + + if (RREG32(DMA_STATUS_REG) & DMA_IDLE) + return; + dev_info(rdev->dev, " R_00D034_DMA_STATUS_REG = 0x%08X\n", RREG32(DMA_STATUS_REG)); + + /* Disable DMA */ + tmp = RREG32(DMA_RB_CNTL); + tmp &= ~DMA_RB_ENABLE; + WREG32(DMA_RB_CNTL, tmp); + + /* Reset dma */ + if (rdev->family >= CHIP_RV770) + WREG32(SRBM_SOFT_RESET, RV770_SOFT_RESET_DMA); + else + WREG32(SRBM_SOFT_RESET, SOFT_RESET_DMA); + RREG32(SRBM_SOFT_RESET); + udelay(50); + WREG32(SRBM_SOFT_RESET, 0); + + dev_info(rdev->dev, " R_00D034_DMA_STATUS_REG = 0x%08X\n", + RREG32(DMA_STATUS_REG)); +} + +static int r600_gpu_soft_reset(struct radeon_device *rdev, u32 reset_mask) +{ + struct rv515_mc_save save; + + if (reset_mask == 0) + return 0; + + dev_info(rdev->dev, "GPU softreset: 0x%08X\n", reset_mask); + + rv515_mc_stop(rdev, &save); + if (r600_mc_wait_for_idle(rdev)) { + dev_warn(rdev->dev, "Wait for MC idle timedout !\n"); + } + + if (reset_mask & (RADEON_RESET_GFX | RADEON_RESET_COMPUTE)) + r600_gpu_soft_reset_gfx(rdev); + + if (reset_mask & RADEON_RESET_DMA) + r600_gpu_soft_reset_dma(rdev); + + /* Wait a little for things to settle down */ + mdelay(1); + rv515_mc_resume(rdev, &save); return 0; } @@ -1415,7 +1444,9 @@ bool r600_dma_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring) int r600_asic_reset(struct radeon_device *rdev) { - return r600_gpu_soft_reset(rdev); + return r600_gpu_soft_reset(rdev, (RADEON_RESET_GFX | + RADEON_RESET_COMPUTE | + RADEON_RESET_DMA)); } u32 r6xx_remap_render_backend(struct radeon_device *rdev, From 0ecebb9e0d14e9948e0b1529883a776758117d6f Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Thu, 3 Jan 2013 12:40:13 -0500 Subject: [PATCH 11/13] drm/radeon: switch to a finer grained reset for evergreen No change in functionality as we currently set all the reset flags. Reviewed-by: Jerome Glisse Signed-off-by: Alex Deucher --- drivers/gpu/drm/radeon/evergreen.c | 80 ++++++++++++++++++++--------- drivers/gpu/drm/radeon/evergreend.h | 1 + 2 files changed, 56 insertions(+), 25 deletions(-) diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index dcdff14dc13f..061fa0a28900 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -2306,15 +2306,13 @@ bool evergreen_gpu_is_lockup(struct radeon_device *rdev, struct radeon_ring *rin return radeon_ring_test_lockup(rdev, ring); } -static int evergreen_gpu_soft_reset(struct radeon_device *rdev) +static void evergreen_gpu_soft_reset_gfx(struct radeon_device *rdev) { - struct evergreen_mc_save save; - u32 grbm_reset = 0, tmp; + u32 grbm_reset = 0; if (!(RREG32(GRBM_STATUS) & GUI_ACTIVE)) - return 0; + return; - dev_info(rdev->dev, "GPU softreset \n"); dev_info(rdev->dev, " GRBM_STATUS = 0x%08X\n", RREG32(GRBM_STATUS)); dev_info(rdev->dev, " GRBM_STATUS_SE0 = 0x%08X\n", @@ -2331,27 +2329,10 @@ static int evergreen_gpu_soft_reset(struct radeon_device *rdev) RREG32(CP_BUSY_STAT)); dev_info(rdev->dev, " R_008680_CP_STAT = 0x%08X\n", RREG32(CP_STAT)); - dev_info(rdev->dev, " R_00D034_DMA_STATUS_REG = 0x%08X\n", - RREG32(DMA_STATUS_REG)); - evergreen_mc_stop(rdev, &save); - if (evergreen_mc_wait_for_idle(rdev)) { - dev_warn(rdev->dev, "Wait for MC idle timedout !\n"); - } /* Disable CP parsing/prefetching */ WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT); - /* Disable DMA */ - tmp = RREG32(DMA_RB_CNTL); - tmp &= ~DMA_RB_ENABLE; - WREG32(DMA_RB_CNTL, tmp); - - /* Reset dma */ - WREG32(SRBM_SOFT_RESET, SOFT_RESET_DMA); - RREG32(SRBM_SOFT_RESET); - udelay(50); - WREG32(SRBM_SOFT_RESET, 0); - /* reset all the gfx blocks */ grbm_reset = (SOFT_RESET_CP | SOFT_RESET_CB | @@ -2372,8 +2353,7 @@ static int evergreen_gpu_soft_reset(struct radeon_device *rdev) udelay(50); WREG32(GRBM_SOFT_RESET, 0); (void)RREG32(GRBM_SOFT_RESET); - /* Wait a little for things to settle down */ - udelay(50); + dev_info(rdev->dev, " GRBM_STATUS = 0x%08X\n", RREG32(GRBM_STATUS)); dev_info(rdev->dev, " GRBM_STATUS_SE0 = 0x%08X\n", @@ -2390,15 +2370,65 @@ static int evergreen_gpu_soft_reset(struct radeon_device *rdev) RREG32(CP_BUSY_STAT)); dev_info(rdev->dev, " R_008680_CP_STAT = 0x%08X\n", RREG32(CP_STAT)); +} + +static void evergreen_gpu_soft_reset_dma(struct radeon_device *rdev) +{ + u32 tmp; + + if (RREG32(DMA_STATUS_REG) & DMA_IDLE) + return; + dev_info(rdev->dev, " R_00D034_DMA_STATUS_REG = 0x%08X\n", RREG32(DMA_STATUS_REG)); + + /* Disable DMA */ + tmp = RREG32(DMA_RB_CNTL); + tmp &= ~DMA_RB_ENABLE; + WREG32(DMA_RB_CNTL, tmp); + + /* Reset dma */ + WREG32(SRBM_SOFT_RESET, SOFT_RESET_DMA); + RREG32(SRBM_SOFT_RESET); + udelay(50); + WREG32(SRBM_SOFT_RESET, 0); + + dev_info(rdev->dev, " R_00D034_DMA_STATUS_REG = 0x%08X\n", + RREG32(DMA_STATUS_REG)); +} + +static int evergreen_gpu_soft_reset(struct radeon_device *rdev, u32 reset_mask) +{ + struct evergreen_mc_save save; + + if (reset_mask == 0) + return 0; + + dev_info(rdev->dev, "GPU softreset: 0x%08X\n", reset_mask); + + evergreen_mc_stop(rdev, &save); + if (evergreen_mc_wait_for_idle(rdev)) { + dev_warn(rdev->dev, "Wait for MC idle timedout !\n"); + } + + if (reset_mask & (RADEON_RESET_GFX | RADEON_RESET_COMPUTE)) + evergreen_gpu_soft_reset_gfx(rdev); + + if (reset_mask & RADEON_RESET_DMA) + evergreen_gpu_soft_reset_dma(rdev); + + /* Wait a little for things to settle down */ + udelay(50); + evergreen_mc_resume(rdev, &save); return 0; } int evergreen_asic_reset(struct radeon_device *rdev) { - return evergreen_gpu_soft_reset(rdev); + return evergreen_gpu_soft_reset(rdev, (RADEON_RESET_GFX | + RADEON_RESET_COMPUTE | + RADEON_RESET_DMA)); } /* Interrupts */ diff --git a/drivers/gpu/drm/radeon/evergreend.h b/drivers/gpu/drm/radeon/evergreend.h index 5786a32e7bda..0bfd0e9e469b 100644 --- a/drivers/gpu/drm/radeon/evergreend.h +++ b/drivers/gpu/drm/radeon/evergreend.h @@ -2037,5 +2037,6 @@ # define DMA_RPTR_WRITEBACK_SWAP_ENABLE (1 << 13) /* 8IN32 */ # define DMA_RPTR_WRITEBACK_TIMER(x) ((x) << 16) /* log2 */ #define DMA_STATUS_REG 0xd034 +# define DMA_IDLE (1 << 0) #endif From 271d6fed6580c0a7af9b74b9aa90d8a62bdb326d Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Thu, 3 Jan 2013 12:48:05 -0500 Subject: [PATCH 12/13] drm/radeon: switch to a finer grained reset for cayman/TN No change in functionality as we currently set all the reset flags. Reviewed-by: Jerome Glisse Signed-off-by: Alex Deucher --- drivers/gpu/drm/radeon/ni.c | 109 +++++++++++++++++++++++------------- 1 file changed, 70 insertions(+), 39 deletions(-) diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c index 8a9a75d1cb00..896f1cbc58a5 100644 --- a/drivers/gpu/drm/radeon/ni.c +++ b/drivers/gpu/drm/radeon/ni.c @@ -1306,15 +1306,13 @@ void cayman_dma_fini(struct radeon_device *rdev) radeon_ring_fini(rdev, &rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX]); } -static int cayman_gpu_soft_reset(struct radeon_device *rdev) +static void cayman_gpu_soft_reset_gfx(struct radeon_device *rdev) { - struct evergreen_mc_save save; - u32 grbm_reset = 0, tmp; + u32 grbm_reset = 0; if (!(RREG32(GRBM_STATUS) & GUI_ACTIVE)) - return 0; + return; - dev_info(rdev->dev, "GPU softreset \n"); dev_info(rdev->dev, " GRBM_STATUS = 0x%08X\n", RREG32(GRBM_STATUS)); dev_info(rdev->dev, " GRBM_STATUS_SE0 = 0x%08X\n", @@ -1331,41 +1329,10 @@ static int cayman_gpu_soft_reset(struct radeon_device *rdev) RREG32(CP_BUSY_STAT)); dev_info(rdev->dev, " R_008680_CP_STAT = 0x%08X\n", RREG32(CP_STAT)); - dev_info(rdev->dev, " R_00D034_DMA_STATUS_REG = 0x%08X\n", - RREG32(DMA_STATUS_REG)); - dev_info(rdev->dev, " VM_CONTEXT0_PROTECTION_FAULT_ADDR 0x%08X\n", - RREG32(0x14F8)); - dev_info(rdev->dev, " VM_CONTEXT0_PROTECTION_FAULT_STATUS 0x%08X\n", - RREG32(0x14D8)); - dev_info(rdev->dev, " VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x%08X\n", - RREG32(0x14FC)); - dev_info(rdev->dev, " VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n", - RREG32(0x14DC)); - - evergreen_mc_stop(rdev, &save); - if (evergreen_mc_wait_for_idle(rdev)) { - dev_warn(rdev->dev, "Wait for MC idle timedout !\n"); - } /* Disable CP parsing/prefetching */ WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT); - /* dma0 */ - tmp = RREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET); - tmp &= ~DMA_RB_ENABLE; - WREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET, tmp); - - /* dma1 */ - tmp = RREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET); - tmp &= ~DMA_RB_ENABLE; - WREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET, tmp); - - /* Reset dma */ - WREG32(SRBM_SOFT_RESET, SOFT_RESET_DMA | SOFT_RESET_DMA1); - RREG32(SRBM_SOFT_RESET); - udelay(50); - WREG32(SRBM_SOFT_RESET, 0); - /* reset all the gfx blocks */ grbm_reset = (SOFT_RESET_CP | SOFT_RESET_CB | @@ -1387,8 +1354,6 @@ static int cayman_gpu_soft_reset(struct radeon_device *rdev) udelay(50); WREG32(GRBM_SOFT_RESET, 0); (void)RREG32(GRBM_SOFT_RESET); - /* Wait a little for things to settle down */ - udelay(50); dev_info(rdev->dev, " GRBM_STATUS = 0x%08X\n", RREG32(GRBM_STATUS)); @@ -1406,15 +1371,81 @@ static int cayman_gpu_soft_reset(struct radeon_device *rdev) RREG32(CP_BUSY_STAT)); dev_info(rdev->dev, " R_008680_CP_STAT = 0x%08X\n", RREG32(CP_STAT)); + +} + +static void cayman_gpu_soft_reset_dma(struct radeon_device *rdev) +{ + u32 tmp; + + if (RREG32(DMA_STATUS_REG) & DMA_IDLE) + return; + dev_info(rdev->dev, " R_00D034_DMA_STATUS_REG = 0x%08X\n", RREG32(DMA_STATUS_REG)); + + /* dma0 */ + tmp = RREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET); + tmp &= ~DMA_RB_ENABLE; + WREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET, tmp); + + /* dma1 */ + tmp = RREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET); + tmp &= ~DMA_RB_ENABLE; + WREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET, tmp); + + /* Reset dma */ + WREG32(SRBM_SOFT_RESET, SOFT_RESET_DMA | SOFT_RESET_DMA1); + RREG32(SRBM_SOFT_RESET); + udelay(50); + WREG32(SRBM_SOFT_RESET, 0); + + dev_info(rdev->dev, " R_00D034_DMA_STATUS_REG = 0x%08X\n", + RREG32(DMA_STATUS_REG)); + +} + +static int cayman_gpu_soft_reset(struct radeon_device *rdev, u32 reset_mask) +{ + struct evergreen_mc_save save; + + if (reset_mask == 0) + return 0; + + dev_info(rdev->dev, "GPU softreset: 0x%08X\n", reset_mask); + + dev_info(rdev->dev, " VM_CONTEXT0_PROTECTION_FAULT_ADDR 0x%08X\n", + RREG32(0x14F8)); + dev_info(rdev->dev, " VM_CONTEXT0_PROTECTION_FAULT_STATUS 0x%08X\n", + RREG32(0x14D8)); + dev_info(rdev->dev, " VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x%08X\n", + RREG32(0x14FC)); + dev_info(rdev->dev, " VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n", + RREG32(0x14DC)); + + evergreen_mc_stop(rdev, &save); + if (evergreen_mc_wait_for_idle(rdev)) { + dev_warn(rdev->dev, "Wait for MC idle timedout !\n"); + } + + if (reset_mask & (RADEON_RESET_GFX | RADEON_RESET_COMPUTE)) + cayman_gpu_soft_reset_gfx(rdev); + + if (reset_mask & RADEON_RESET_DMA) + cayman_gpu_soft_reset_dma(rdev); + + /* Wait a little for things to settle down */ + udelay(50); + evergreen_mc_resume(rdev, &save); return 0; } int cayman_asic_reset(struct radeon_device *rdev) { - return cayman_gpu_soft_reset(rdev); + return cayman_gpu_soft_reset(rdev, (RADEON_RESET_GFX | + RADEON_RESET_COMPUTE | + RADEON_RESET_DMA)); } /** From 06bc6df0df52bf8d08247ded2f4d98966d5a046b Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Thu, 3 Jan 2013 13:15:30 -0500 Subject: [PATCH 13/13] drm/radeon: switch to a finer grained reset for SI (v2) No change in functionality as we currently set all the reset flags. v2: fix typo Reviewed-by: Jerome Glisse Signed-off-by: Alex Deucher --- drivers/gpu/drm/radeon/si.c | 99 ++++++++++++++++++++++++------------- 1 file changed, 65 insertions(+), 34 deletions(-) diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c index 4bf17334927a..3240a3d64f30 100644 --- a/drivers/gpu/drm/radeon/si.c +++ b/drivers/gpu/drm/radeon/si.c @@ -2126,15 +2126,13 @@ bool si_gpu_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring) return radeon_ring_test_lockup(rdev, ring); } -static int si_gpu_soft_reset(struct radeon_device *rdev) +static void si_gpu_soft_reset_gfx(struct radeon_device *rdev) { - struct evergreen_mc_save save; - u32 grbm_reset = 0, tmp; + u32 grbm_reset = 0; if (!(RREG32(GRBM_STATUS) & GUI_ACTIVE)) - return 0; + return; - dev_info(rdev->dev, "GPU softreset \n"); dev_info(rdev->dev, " GRBM_STATUS=0x%08X\n", RREG32(GRBM_STATUS)); dev_info(rdev->dev, " GRBM_STATUS2=0x%08X\n", @@ -2145,36 +2143,10 @@ static int si_gpu_soft_reset(struct radeon_device *rdev) RREG32(GRBM_STATUS_SE1)); dev_info(rdev->dev, " SRBM_STATUS=0x%08X\n", RREG32(SRBM_STATUS)); - dev_info(rdev->dev, " DMA_STATUS_REG = 0x%08X\n", - RREG32(DMA_STATUS_REG)); - dev_info(rdev->dev, " VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x%08X\n", - RREG32(VM_CONTEXT1_PROTECTION_FAULT_ADDR)); - dev_info(rdev->dev, " VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n", - RREG32(VM_CONTEXT1_PROTECTION_FAULT_STATUS)); - evergreen_mc_stop(rdev, &save); - if (radeon_mc_wait_for_idle(rdev)) { - dev_warn(rdev->dev, "Wait for MC idle timedout !\n"); - } /* Disable CP parsing/prefetching */ WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT | CP_CE_HALT); - /* dma0 */ - tmp = RREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET); - tmp &= ~DMA_RB_ENABLE; - WREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET, tmp); - - /* dma1 */ - tmp = RREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET); - tmp &= ~DMA_RB_ENABLE; - WREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET, tmp); - - /* Reset dma */ - WREG32(SRBM_SOFT_RESET, SOFT_RESET_DMA | SOFT_RESET_DMA1); - RREG32(SRBM_SOFT_RESET); - udelay(50); - WREG32(SRBM_SOFT_RESET, 0); - /* reset all the gfx blocks */ grbm_reset = (SOFT_RESET_CP | SOFT_RESET_CB | @@ -2196,8 +2168,7 @@ static int si_gpu_soft_reset(struct radeon_device *rdev) udelay(50); WREG32(GRBM_SOFT_RESET, 0); (void)RREG32(GRBM_SOFT_RESET); - /* Wait a little for things to settle down */ - udelay(50); + dev_info(rdev->dev, " GRBM_STATUS=0x%08X\n", RREG32(GRBM_STATUS)); dev_info(rdev->dev, " GRBM_STATUS2=0x%08X\n", @@ -2208,15 +2179,75 @@ static int si_gpu_soft_reset(struct radeon_device *rdev) RREG32(GRBM_STATUS_SE1)); dev_info(rdev->dev, " SRBM_STATUS=0x%08X\n", RREG32(SRBM_STATUS)); +} + +static void si_gpu_soft_reset_dma(struct radeon_device *rdev) +{ + u32 tmp; + + if (RREG32(DMA_STATUS_REG) & DMA_IDLE) + return; + dev_info(rdev->dev, " DMA_STATUS_REG = 0x%08X\n", RREG32(DMA_STATUS_REG)); + + /* dma0 */ + tmp = RREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET); + tmp &= ~DMA_RB_ENABLE; + WREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET, tmp); + + /* dma1 */ + tmp = RREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET); + tmp &= ~DMA_RB_ENABLE; + WREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET, tmp); + + /* Reset dma */ + WREG32(SRBM_SOFT_RESET, SOFT_RESET_DMA | SOFT_RESET_DMA1); + RREG32(SRBM_SOFT_RESET); + udelay(50); + WREG32(SRBM_SOFT_RESET, 0); + + dev_info(rdev->dev, " DMA_STATUS_REG = 0x%08X\n", + RREG32(DMA_STATUS_REG)); +} + +static int si_gpu_soft_reset(struct radeon_device *rdev, u32 reset_mask) +{ + struct evergreen_mc_save save; + + if (reset_mask == 0) + return 0; + + dev_info(rdev->dev, "GPU softreset: 0x%08X\n", reset_mask); + + dev_info(rdev->dev, " VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x%08X\n", + RREG32(VM_CONTEXT1_PROTECTION_FAULT_ADDR)); + dev_info(rdev->dev, " VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n", + RREG32(VM_CONTEXT1_PROTECTION_FAULT_STATUS)); + + evergreen_mc_stop(rdev, &save); + if (radeon_mc_wait_for_idle(rdev)) { + dev_warn(rdev->dev, "Wait for MC idle timedout !\n"); + } + + if (reset_mask & (RADEON_RESET_GFX | RADEON_RESET_COMPUTE)) + si_gpu_soft_reset_gfx(rdev); + + if (reset_mask & RADEON_RESET_DMA) + si_gpu_soft_reset_dma(rdev); + + /* Wait a little for things to settle down */ + udelay(50); + evergreen_mc_resume(rdev, &save); return 0; } int si_asic_reset(struct radeon_device *rdev) { - return si_gpu_soft_reset(rdev); + return si_gpu_soft_reset(rdev, (RADEON_RESET_GFX | + RADEON_RESET_COMPUTE | + RADEON_RESET_DMA)); } /* MC */