Unlike other compositors X.org allocates a single framebuffer covering the whole screen space. This is not an issue with the single screens, but with the multi-monitor setup 5120x4096 becomes a limiting factor. Check the hardware-bound limitations and lift the FB max size to 16383x16383. Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx> --- Changes in v5: - Fix crash in the writeback code. - Link to v4: https://lore.kernel.org/r/20240624-dpu-mode-config-width-v4-0-1038c13da3a5@xxxxxxxxxx Changes in v4: - Fix handling of the not visible planes with the FB being set, as detected via the kms_cursor_edge_walk test. - Link to v3: https://lore.kernel.org/r/20240614-dpu-mode-config-width-v3-0-29ec4069c99b@xxxxxxxxxx Changes in v3: - Reoder the functions to pull up a fix to the start of the patchset (Abhinav) - Rename the _dpu_crtc_setup_lm_bounds() to _dpu_crtc_check_and_setup_lm_bounds() (Abhinav) - Make dpu_crtc_mode_valid() static. - Link to v2: https://lore.kernel.org/r/20240603-dpu-mode-config-width-v2-0-16af520575a6@xxxxxxxxxx Changes in v2: - Added dpu_crtc_valid() to verify that 2*lm_width limit is enforced (Abhinav) - Link to v1: https://lore.kernel.org/r/20240319-dpu-mode-config-width-v1-0-d0fe6bf81bf1@xxxxxxxxxx --- Dmitry Baryshkov (16): drm/msm/dpu: cleanup FB if dpu_format_populate_layout fails drm/msm/dpu: fix error condition in dpu_encoder_virt_atomic_mode_set drm/msm/dpu: move CRTC resource assignment to dpu_encoder_virt_atomic_mode_set drm/msm/dpu: check for overflow in _dpu_crtc_setup_lm_bounds() drm/msm/dpu: drop dpu_format_check_modified_format drm/msm/dpu: drop dpu_format_populate_layout from dpu_plane_sspp_atomic_update drm/msm/dpu: drop extra aspace checks in dpu_formats drm/msm/dpu: drop msm_format from struct dpu_hw_fmt_layout drm/msm/dpu: pass drm_framebuffer to _dpu_format_get_plane_sizes() drm/msm/dpu: move pitch check to _dpu_format_get_plane_sizes_linear() drm/msm/dpu: split dpu_format_populate_layout drm/msm/dpu: make dpu_format_populate_addrs return void drm/msm/dpu: move layout setup population out of dpu_plane_prepare_fb() drm/msm/dpu: check for the plane pitch overflow drm/msm/dpu: merge MAX_IMG_WIDTH/HEIGHT with DPU_MAX_IMG_WIDTH/HEIGHT drm/msm/dpu: sync mode_config limits to the FB limits in dpu_plane.c drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c | 35 ++- drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 62 ++++-- .../gpu/drm/msm/disp/dpu1/dpu_encoder_phys_wb.c | 37 ++-- drivers/gpu/drm/msm/disp/dpu1/dpu_formats.c | 243 +++++++-------------- drivers/gpu/drm/msm/disp/dpu1/dpu_formats.h | 30 +-- drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h | 4 +- drivers/gpu/drm/msm/disp/dpu1/dpu_hw_mdss.h | 2 - drivers/gpu/drm/msm/disp/dpu1/dpu_hw_sspp.h | 2 + drivers/gpu/drm/msm/disp/dpu1/dpu_hw_wb.c | 4 +- drivers/gpu/drm/msm/disp/dpu1/dpu_hw_wb.h | 3 +- drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c | 10 +- drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c | 47 ++-- drivers/gpu/drm/msm/disp/dpu1/dpu_plane.h | 3 + drivers/gpu/drm/msm/msm_kms.h | 6 - 14 files changed, 200 insertions(+), 288 deletions(-) --- base-commit: 5c522ecead93987bcb0459f0160d8625e46d78d2 change-id: 20240318-dpu-mode-config-width-626d3c7ad52a Best regards, -- Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
