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drm/msm/dpu: do not enable color-management if DSPPs are not available

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[ Upstream commit 3bcfc7b904 ]

We can not support color management without DSPP blocks being provided
in the HW catalog. Do not enable color management for CRTCs if num_dspps
is 0.

Fixes: 4259ff7ae5 ("drm/msm/dpu: add support for pcc color block in dpu driver")
Reported-by: Yongqin Liu <yongqin.liu@linaro.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Reviewed-by: Marijn Suijten <marijn.suijten@somainline.org>
Reviewed-by: Sumit Semwal <sumit.semwal@linaro.org>
Tested-by: Yongqin Liu <yongqin.liu@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/542141/
Link: https://lore.kernel.org/r/20230612182534.3345805-1-dmitry.baryshkov@linaro.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Dmitry Baryshkov
2023-06-12 21:25:33 +03:00
committed by Greg Kroah-Hartman
parent 300e26e3e6
commit ec3b55b2c9
1 changed files with 4 additions and 1 deletions
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5
drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
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@@ -1380,6 +1380,8 @@ static const struct drm_crtc_helper_funcs dpu_crtc_helper_funcs = {
struct drm_crtc *dpu_crtc_init(struct drm_device *dev, struct drm_plane *plane,
struct drm_plane *cursor)
{
struct msm_drm_private *priv = dev->dev_private;
struct dpu_kms *dpu_kms = to_dpu_kms(priv->kms);
struct drm_crtc *crtc = NULL;
struct dpu_crtc *dpu_crtc = NULL;
int i;
@@ -1411,7 +1413,8 @@ struct drm_crtc *dpu_crtc_init(struct drm_device *dev, struct drm_plane *plane,
drm_crtc_helper_add(crtc, &dpu_crtc_helper_funcs);
drm_crtc_enable_color_mgmt(crtc, 0, true, 0);
if (dpu_kms->catalog->dspp_count)
drm_crtc_enable_color_mgmt(crtc, 0, true, 0);
/* save user friendly CRTC name for later */
snprintf(dpu_crtc->name, DPU_CRTC_NAME_SIZE, "crtc%u", crtc->base.id);