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| author | Dave Stevenson <dave.stevenson@raspberrypi.com> | 2024-06-21 16:20:38 +0100 |
|---|---|---|
| committer | Dave Stevenson <dave.stevenson@raspberrypi.com> | 2024-09-09 13:02:53 +0100 |
| commit | 52efe364d1968ee3e3ed45eb44eb924b63635315 (patch) | |
| tree | 5c382a7edc73fa422938be4fb2b590c2582a7164 /drivers/gpu/drm/vc4/vc4_hvs.c | |
| parent | dbe101b10641e458e37e714f9f1fc50413463c10 (diff) | |
| download | linux-52efe364d1968ee3e3ed45eb44eb924b63635315.tar.gz linux-52efe364d1968ee3e3ed45eb44eb924b63635315.tar.bz2 linux-52efe364d1968ee3e3ed45eb44eb924b63635315.zip | |
drm/vc4: hvs: Don't write gamma luts on 2711
The gamma block has changed in 2711, therefore writing the lut
in vc4_hvs_lut_load is incorrect.
Whilst the gamma property isn't created for 2711, it is called
from vc4_hvs_init_channel, so abort if attempted.
Fixes: c54619b0bfb3 ("drm/vc4: Add support for the BCM2711 HVS5")
Reviewed-by: Maxime Ripard <mripard@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20240621152055.4180873-15-dave.stevenson@raspberrypi.com
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
Diffstat (limited to 'drivers/gpu/drm/vc4/vc4_hvs.c')
| -rw-r--r-- | drivers/gpu/drm/vc4/vc4_hvs.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/vc4/vc4_hvs.c b/drivers/gpu/drm/vc4/vc4_hvs.c index 3a5d9ba3a67a..8dab59341a82 100644 --- a/drivers/gpu/drm/vc4/vc4_hvs.c +++ b/drivers/gpu/drm/vc4/vc4_hvs.c @@ -222,6 +222,9 @@ static void vc4_hvs_lut_load(struct vc4_hvs *hvs, if (!drm_dev_enter(drm, &idx)) return; + if (hvs->vc4->is_vc5) + return; + /* The LUT memory is laid out with each HVS channel in order, * each of which takes 256 writes for R, 256 for G, then 256 * for B. |