This is a note to let you know that I've just added the patch titled drm/msm/dpu: remove hard-coded linewidth limit for writeback to the 5.19-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: drm-msm-dpu-remove-hard-coded-linewidth-limit-for-wr.patch and it can be found in the queue-5.19 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit bd163cca4ede10557b4f661c4b778397cc9ce445 Author: Abhinav Kumar <quic_abhinavk@xxxxxxxxxxx> Date: Thu Jun 16 12:01:24 2022 -0700 drm/msm/dpu: remove hard-coded linewidth limit for writeback [ Upstream commit 4edea8d305873336a626c5f4ce17cb8751059054 ] Remove the hard-coded limit for writeback and lets start using the one from catalog instead. changes in v3: - correct the Fixes tag Fixes: d7d0e73f7de3 ("drm/msm/dpu: introduce the dpu_encoder_phys_* for writeback") Signed-off-by: Abhinav Kumar <quic_abhinavk@xxxxxxxxxxx> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx> Patchwork: https://patchwork.freedesktop.org/patch/489888/ Link: https://lore.kernel.org/r/1655406084-17407-3-git-send-email-quic_abhinavk@xxxxxxxxxxx Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_wb.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_wb.c index 0ec809ab06e7..15919e1a8dc3 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_wb.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_wb.c @@ -20,8 +20,6 @@ #include "dpu_crtc.h" #include "disp/msm_disp_snapshot.h" -#define DEFAULT_MAX_WRITEBACK_WIDTH 2048 - #define to_dpu_encoder_phys_wb(x) \ container_of(x, struct dpu_encoder_phys_wb, base) @@ -278,9 +276,9 @@ static int dpu_encoder_phys_wb_atomic_check( DPU_ERROR("invalid fb h=%d, mode h=%d\n", fb->height, mode->vdisplay); return -EINVAL; - } else if (fb->width > DEFAULT_MAX_WRITEBACK_WIDTH) { + } else if (fb->width > phys_enc->hw_wb->caps->maxlinewidth) { DPU_ERROR("invalid fb w=%d, maxlinewidth=%u\n", - fb->width, DEFAULT_MAX_WRITEBACK_WIDTH); + fb->width, phys_enc->hw_wb->caps->maxlinewidth); return -EINVAL; }