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drm/amd/display: Verify Gamma & Degamma LUT sizes in amdgpu_dm_atomic_check

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For each CRTC state, check the size of Gamma and Degamma LUTs  so
unexpected and larger sizes wouldn't slip through.

TEST: IGT:kms_color::pipe-invalid-gamma-lut-sizes

v2: fix assignments in if clauses, Mark's email.

Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Mark Yacoub <markyacoub@chromium.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Mark Yacoub
2021-06-04 13:01:07 -04:00
committed by Alex Deucher
parent 3a07101b04
commit 03fc4cf45d
3 changed files with 40 additions and 6 deletions
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1
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
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@@ -617,6 +617,7 @@ void amdgpu_dm_trigger_timing_sync(struct drm_device *dev);
#define MAX_COLOR_LEGACY_LUT_ENTRIES 256
void amdgpu_dm_init_color_mod(void);
int amdgpu_dm_verify_lut_sizes(const struct drm_crtc_state *crtc_state);
int amdgpu_dm_update_crtc_color_mgmt(struct dm_crtc_state *crtc);
int amdgpu_dm_update_plane_color_mgmt(struct dm_crtc_state *crtc,
struct dc_plane_state *dc_plane_state);