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Mediatek DRM Fixes for Linux 5.9

Browse Source 
1. Fix scrolling of panel
 2. Remove duplicated include
 3. Use CPU when fail to get cmdq event
 4. Add missing put_device() call
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Merge tag 'mediatek-drm-fixes-5.9' of https://git.kernel.org/pub/scm/linux/kernel/git/chunkuang.hu/linux into drm-fixes

Mediatek DRM Fixes for Linux 5.9

1. Fix scrolling of panel
2. Remove duplicated include
3. Use CPU when fail to get cmdq event
4. Add missing put_device() call

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20200916231724.30571-1-chunkuang.hu@kernel.org
This commit is contained in:
Dave Airlie 2020-09-18 08:51:58 +10:00
commit 1f08fde700
5 changed files with 49 additions and 26 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
drivers/gpu/drm/mediatek/mtk_drm_crtc.c
View File

@ -831,13 +831,19 @@ int mtk_drm_crtc_create(struct drm_device *drm_dev,
drm_crtc_index(&mtk_crtc->base));
mtk_crtc->cmdq_client = NULL;
}
ret = of_property_read_u32_index(priv->mutex_node,
"mediatek,gce-events",
drm_crtc_index(&mtk_crtc->base),
&mtk_crtc->cmdq_event);
if (ret)
dev_dbg(dev, "mtk_crtc %d failed to get mediatek,gce-events property\n",
drm_crtc_index(&mtk_crtc->base));
if (mtk_crtc->cmdq_client) {
ret = of_property_read_u32_index(priv->mutex_node,
"mediatek,gce-events",
drm_crtc_index(&mtk_crtc->base),
&mtk_crtc->cmdq_event);
if (ret) {
dev_dbg(dev, "mtk_crtc %d failed to get mediatek,gce-events property\n",
drm_crtc_index(&mtk_crtc->base));
cmdq_mbox_destroy(mtk_crtc->cmdq_client);
mtk_crtc->cmdq_client = NULL;
}
}
#endif
return 0;
}

1
drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
View File

@ -496,6 +496,7 @@ int mtk_ddp_comp_init(struct device *dev, struct device_node *node,
#if IS_REACHABLE(CONFIG_MTK_CMDQ)
if (of_address_to_resource(node, 0, &res) != 0) {
dev_err(dev, "Missing reg in %s node\n", node->full_name);
put_device(&larb_pdev->dev);
return -EINVAL;
}
comp->regs_pa = res.start;

19
drivers/gpu/drm/mediatek/mtk_drm_drv.c
View File

@ -27,7 +27,6 @@
#include "mtk_drm_crtc.h"
#include "mtk_drm_ddp.h"
#include "mtk_drm_ddp.h"
#include "mtk_drm_ddp_comp.h"
#include "mtk_drm_drv.h"
#include "mtk_drm_gem.h"
@ -165,7 +164,7 @@ static int mtk_drm_kms_init(struct drm_device *drm)
ret = drmm_mode_config_init(drm);
if (ret)
return ret;
goto put_mutex_dev;
drm->mode_config.min_width = 64;
drm->mode_config.min_height = 64;
@ -182,7 +181,7 @@ static int mtk_drm_kms_init(struct drm_device *drm)
ret = component_bind_all(drm->dev, drm);
if (ret)
return ret;
goto put_mutex_dev;
/*
* We currently support two fixed data streams, each optional,
@ -229,7 +228,7 @@ static int mtk_drm_kms_init(struct drm_device *drm)
}
if (!dma_dev->dma_parms) {
ret = -ENOMEM;
goto err_component_unbind;
goto put_dma_dev;
}
ret = dma_set_max_seg_size(dma_dev, (unsigned int)DMA_BIT_MASK(32));
@ -256,9 +255,12 @@ static int mtk_drm_kms_init(struct drm_device *drm)
err_unset_dma_parms:
if (private->dma_parms_allocated)
dma_dev->dma_parms = NULL;
put_dma_dev:
put_device(private->dma_dev);
err_component_unbind:
component_unbind_all(drm->dev, drm);
put_mutex_dev:
put_device(private->mutex_dev);
return ret;
}
@ -544,8 +546,13 @@ static int mtk_drm_probe(struct platform_device *pdev)
pm_runtime_disable(dev);
err_node:
of_node_put(private->mutex_node);
for (i = 0; i < DDP_COMPONENT_ID_MAX; i++)
for (i = 0; i < DDP_COMPONENT_ID_MAX; i++) {
of_node_put(private->comp_node[i]);
if (private->ddp_comp[i]) {
put_device(private->ddp_comp[i]->larb_dev);
private->ddp_comp[i] = NULL;
}
}
return ret;
}

9
drivers/gpu/drm/mediatek/mtk_dsi.c
View File

@ -466,14 +466,13 @@ static void mtk_dsi_config_vdo_timing(struct mtk_dsi *dsi)
horizontal_sync_active_byte = (vm->hsync_len * dsi_tmp_buf_bpp - 10);
if (dsi->mode_flags & MIPI_DSI_MODE_VIDEO_SYNC_PULSE)
horizontal_backporch_byte =
(vm->hback_porch * dsi_tmp_buf_bpp - 10);
horizontal_backporch_byte = vm->hback_porch * dsi_tmp_buf_bpp;
else
horizontal_backporch_byte = ((vm->hback_porch + vm->hsync_len) *
dsi_tmp_buf_bpp - 10);
horizontal_backporch_byte = (vm->hback_porch + vm->hsync_len) *
dsi_tmp_buf_bpp;
data_phy_cycles = timing->lpx + timing->da_hs_prepare +
timing->da_hs_zero + timing->da_hs_exit + 3;
timing->da_hs_zero + timing->da_hs_exit;
if (dsi->mode_flags & MIPI_DSI_MODE_VIDEO_BURST) {
if ((vm->hfront_porch + vm->hback_porch) * dsi_tmp_buf_bpp >

26
drivers/gpu/drm/mediatek/mtk_hdmi.c
View File

@ -1507,25 +1507,30 @@ static int mtk_hdmi_dt_parse_pdata(struct mtk_hdmi *hdmi,
dev_err(dev,
"Failed to get system configuration registers: %d\n",
ret);
return ret;
goto put_device;
}
hdmi->sys_regmap = regmap;
mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
hdmi->regs = devm_ioremap_resource(dev, mem);
if (IS_ERR(hdmi->regs))
return PTR_ERR(hdmi->regs);
if (IS_ERR(hdmi->regs)) {
ret = PTR_ERR(hdmi->regs);
goto put_device;
}
remote = of_graph_get_remote_node(np, 1, 0);
if (!remote)
return -EINVAL;
if (!remote) {
ret = -EINVAL;
goto put_device;
}
if (!of_device_is_compatible(remote, "hdmi-connector")) {
hdmi->next_bridge = of_drm_find_bridge(remote);
if (!hdmi->next_bridge) {
dev_err(dev, "Waiting for external bridge\n");
of_node_put(remote);
return -EPROBE_DEFER;
ret = -EPROBE_DEFER;
goto put_device;
}
}
@ -1534,7 +1539,8 @@ static int mtk_hdmi_dt_parse_pdata(struct mtk_hdmi *hdmi,
dev_err(dev, "Failed to find ddc-i2c-bus node in %pOF\n",
remote);
of_node_put(remote);
return -EINVAL;
ret = -EINVAL;
goto put_device;
}
of_node_put(remote);
@ -1542,10 +1548,14 @@ static int mtk_hdmi_dt_parse_pdata(struct mtk_hdmi *hdmi,
of_node_put(i2c_np);
if (!hdmi->ddc_adpt) {
dev_err(dev, "Failed to get ddc i2c adapter by node\n");
return -EINVAL;
ret = -EINVAL;
goto put_device;
}
return 0;
put_device:
put_device(hdmi->cec_dev);
return ret;
}
/*