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| author | Nemesa Garg <nemesa.garg@intel.com> | 2024-10-28 10:11:53 +0530 |
|---|---|---|
| committer | Suraj Kandpal <suraj.kandpal@intel.com> | 2024-10-28 10:20:13 +0530 |
| commit | d9fa32dd92eb162cf996d2881a9596b28d91eb64 (patch) | |
| tree | 9ed47d5bf2c9eb6516e2fd056d3ed8e2b71545c0 | |
| parent | 0d018d1dc62222176a5e30b052e0133c63d3be8e (diff) | |
| download | lwn-d9fa32dd92eb162cf996d2881a9596b28d91eb64.tar.gz lwn-d9fa32dd92eb162cf996d2881a9596b28d91eb64.zip | |
drm/i915/display: Add Wa_16023981245
Disable the support for odd panning in x direction.
v2: Replace HSD with WA in commit message [Suraj]
Modified the condition for handling odd panning
v3: Simplified the condition for checking hsub
Using older framework for wa as rev1[Jani]
v4: Modify the condition for hsub [Sai Teja]
Initialize hsub in else path [Dan]
v5: Replace IS_LUNARLAKE with display version.
Resolve nitpicks[Jani]
v6: Replace -EINVAL with hsub [Suraj]
Remove src_w check as not required
v7: Remove check for NV12.
Add check for PTL as well [Matt]
v8: Alignment fix
Continuing discussions from:
https://patchwork.freedesktop.org/series/136416/
Signed-off-by: Nemesa Garg <nemesa.garg@intel.com>
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Signed-off-by: Suraj Kandpal <suraj.kandpal@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241028044153.1605209-1-nemesa.garg@intel.com
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_atomic_plane.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_atomic_plane.c b/drivers/gpu/drm/i915/display/intel_atomic_plane.c index b7e462075ded..73fe36f00dae 100644 --- a/drivers/gpu/drm/i915/display/intel_atomic_plane.c +++ b/drivers/gpu/drm/i915/display/intel_atomic_plane.c @@ -1024,6 +1024,12 @@ int intel_plane_check_src_coordinates(struct intel_plane_state *plane_state) */ hsub = 1; vsub = 1; + + /* Wa_16023981245 */ + if ((DISPLAY_VER_FULL(i915) == IP_VER(20, 0) || + DISPLAY_VER_FULL(i915) == IP_VER(30, 0)) && + src_x % 2 != 0) + hsub = 2; } else { hsub = fb->format->hsub; vsub = fb->format->vsub; |