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Ndrm/i915/debugfs: store rotation string buffer on stack

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Minimal change to nuke the static buf.

Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190107145149.10069-1-jani.nikula@intel.com
This commit is contained in:
Jani Nikula 2019-01-07 16:51:49 +02:00
parent d25f71a162
commit 5852a15cbc
1 changed files with 6 additions and 6 deletions
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12
drivers/gpu/drm/i915/i915_debugfs.c
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@ -2961,14 +2961,13 @@ static const char *plane_type(enum drm_plane_type type)
return "unknown";
}
static const char *plane_rotation(unsigned int rotation)
static void plane_rotation(char *buf, size_t bufsize, unsigned int rotation)
{
static char buf[48];
/*
* According to doc only one DRM_MODE_ROTATE_ is allowed but this
* will print them all to visualize if the values are misused
*/
snprintf(buf, sizeof(buf),
snprintf(buf, bufsize,
"%s%s%s%s%s%s(0x%08x)",
(rotation & DRM_MODE_ROTATE_0) ? "0 " : "",
(rotation & DRM_MODE_ROTATE_90) ? "90 " : "",
@ -2977,8 +2976,6 @@ static const char *plane_rotation(unsigned int rotation)
(rotation & DRM_MODE_REFLECT_X) ? "FLIPX " : "",
(rotation & DRM_MODE_REFLECT_Y) ? "FLIPY " : "",
rotation);
return buf;
}
static void intel_plane_info(struct seq_file *m, struct intel_crtc *intel_crtc)
@ -2991,6 +2988,7 @@ static void intel_plane_info(struct seq_file *m, struct intel_crtc *intel_crtc)
struct drm_plane_state *state;
struct drm_plane *plane = &intel_plane->base;
struct drm_format_name_buf format_name;
char rot_str[48];
if (!plane->state) {
seq_puts(m, "plane->state is NULL!\n");
@ -3006,6 +3004,8 @@ static void intel_plane_info(struct seq_file *m, struct intel_crtc *intel_crtc)
sprintf(format_name.str, "N/A");
}
plane_rotation(rot_str, sizeof(rot_str), state->rotation);
seq_printf(m, "\t--Plane id %d: type=%s, crtc_pos=%4dx%4d, crtc_size=%4dx%4d, src_pos=%d.%04ux%d.%04u, src_size=%d.%04ux%d.%04u, format=%s, rotation=%s\n",
plane->base.id,
plane_type(intel_plane->base.type),
@ -3020,7 +3020,7 @@ static void intel_plane_info(struct seq_file *m, struct intel_crtc *intel_crtc)
(state->src_h >> 16),
((state->src_h & 0xffff) * 15625) >> 10,
format_name.str,
plane_rotation(state->rotation));
rot_str);
}
}