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drm/msm/dpu: sync mode_config limits to the FB limits in dpu_plane.c

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Lift mode_config limits set by the DPU driver to the actual FB limits as
handled by the dpu_plane.c. Move 2*max_lm_width check where it belongs,
to the drm_crtc_helper_funcs::mode_valid() callback.

Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Tested-by: Abhinav Kumar <quic_abhinavk@quicinc.com> # sc7280
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/612259/
Link: https://lore.kernel.org/r/20240903-dpu-mode-config-width-v6-15-617e1ecc4b7a@linaro.org
This commit is contained in:
Dmitry Baryshkov
2024-09-03 06:22:58 +03:00
parent 671cc420b5
commit 2261751d5f
2 changed files with 16 additions and 7 deletions
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14
drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
View File

@@ -1230,6 +1230,19 @@ static int dpu_crtc_atomic_check(struct drm_crtc *crtc,
return 0;
}
static enum drm_mode_status dpu_crtc_mode_valid(struct drm_crtc *crtc,
const struct drm_display_mode *mode)
{
struct dpu_kms *dpu_kms = _dpu_crtc_get_kms(crtc);
/*
* max crtc width is equal to the max mixer width * 2 and max height is 4K
*/
return drm_mode_validate_size(mode,
2 * dpu_kms->catalog->caps->max_mixer_width,
4096);
}
int dpu_crtc_vblank(struct drm_crtc *crtc, bool en)
{
struct dpu_crtc *dpu_crtc = to_dpu_crtc(crtc);
@@ -1445,6 +1458,7 @@ static const struct drm_crtc_helper_funcs dpu_crtc_helper_funcs = {
.atomic_check = dpu_crtc_atomic_check,
.atomic_begin = dpu_crtc_atomic_begin,
.atomic_flush = dpu_crtc_atomic_flush,
.mode_valid = dpu_crtc_mode_valid,
.get_scanout_position = dpu_crtc_get_scanout_position,
};

9
drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
View File

@@ -1201,13 +1201,8 @@ static int dpu_kms_hw_init(struct msm_kms *kms)
dev->mode_config.min_width = 0;
dev->mode_config.min_height = 0;
/*
* max crtc width is equal to the max mixer width * 2 and max height is
* is 4K
*/
dev->mode_config.max_width =
dpu_kms->catalog->caps->max_mixer_width * 2;
dev->mode_config.max_height = 4096;
dev->mode_config.max_width = DPU_MAX_IMG_WIDTH;
dev->mode_config.max_height = DPU_MAX_IMG_HEIGHT;
dev->max_vblank_count = 0xffffffff;
/* Disable vblank irqs aggressively for power-saving */