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drm/i915/display: Add Wa_16023981245

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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
This commit is contained in:
Nemesa Garg
2024-10-28 10:11:53 +05:30
committed by Suraj Kandpal
parent 0d018d1dc6
commit d9fa32dd92
1 changed files with 6 additions and 0 deletions
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6
drivers/gpu/drm/i915/display/intel_atomic_plane.c
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@@ -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;