]> git.ipfire.org Git - thirdparty/kernel/stable.git/commit
drm/msm/dpu: don't use active in atomic_check()
authorDmitry Baryshkov <dmitry.baryshkov@linaro.org>
Thu, 23 Jan 2025 12:43:33 +0000 (14:43 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 10 Apr 2025 12:39:14 +0000 (14:39 +0200)
commit47a025046640157e1aa21150eb313517f2ab7241
tree7676ae073c404c09598ecebe3ad172103dcb7e2b
parenta99219bbd69a2e9421e626f6b908d919a37b30e1
drm/msm/dpu: don't use active in atomic_check()

[ Upstream commit 25b4614843bcc56ba150f7c99905125a019e656c ]

The driver isn't supposed to consult crtc_state->active/active_check for
resource allocation. Instead all resources should be allocated if
crtc_state->enabled is set. Stop consulting active / active_changed in
order to determine whether the hardware resources should be
(re)allocated.

Fixes: ccc862b957c6 ("drm/msm/dpu: Fix reservation failures in modeset")
Reported-by: Simona Vetter <simona.vetter@ffwll.ch>
Closes: https://lore.kernel.org/dri-devel/ZtW_S0j5AEr4g0QW@phenom.ffwll.local/
Reviewed-by: Simona Vetter <simona.vetter@ffwll.ch>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/633393/
Link: https://lore.kernel.org/r/20250123-drm-dirty-modeset-v2-1-bbfd3a6cd1a4@linaro.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c