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    Subject[PATCH 5.19 0438/1157] drm/msm/dpu: remove hard-coded linewidth limit for writeback
    Date
    From: Abhinav Kumar <quic_abhinavk@quicinc.com>

    [ 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@quicinc.com>
    Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
    Patchwork: https://patchwork.freedesktop.org/patch/489888/
    Link: https://lore.kernel.org/r/1655406084-17407-3-git-send-email-quic_abhinavk@quicinc.com
    Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
    Signed-off-by: Sasha Levin <sashal@kernel.org>
    ---
    drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_wb.c | 6 ++----
    1 file changed, 2 insertions(+), 4 deletions(-)

    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;
    }

    --
    2.35.1


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