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@xxxxxxxxxxx> Tested-by: Abhinav Kumar <quic_abhinavk@xxxxxxxxxxx> # sc7280 Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx> --- drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c | 15 +++++++++++++++ drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c | 9 ++------- 2 files changed, 17 insertions(+), 7 deletions(-) diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c index 2a87dd7188b8..f4ec3df45536 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c @@ -1235,6 +1235,20 @@ 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 + * 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); @@ -1450,6 +1464,7 @@ 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, }; diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c index 40e4b829b9da..1c86f22859fa 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c @@ -1191,13 +1191,8 @@ 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 */ -- 2.39.2