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Merge tag 'amd-drm-fixes-5.13-2021-05-05' of https://gitlab.freedesktop.org/agd5f/linux into drm-next
amd-drm-fixes-5.13-2021-05-05: amdgpu: - MPO hang workaround - Fix for concurrent VM flushes on vega/navi - dcefclk is not adjustable on navi1x and newer - MST HPD debugfs fix - Suspend/resumes fixes - Register VGA clients late in case driver fails to load - Fix GEM leak in user framebuffer create - Add support for polaris12 with 32 bit memory interface - Fix duplicate cursor issue when using overlay - Fix corruption with tiled surfaces on VCN3 - Add BO size and stride check to fix BO size verification radeon: - Fix off-by-one in power state parsing - Fix possible memory leak in power state parsing Signed-off-by: Dave Airlie <airlied@redhat.com> From: Alex Deucher <alexander.deucher@amd.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210506033929.3875-1-alexander.deucher@amd.com
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@@ -4015,6 +4015,23 @@ static int fill_dc_scaling_info(const struct drm_plane_state *state,
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scaling_info->src_rect.x = state->src_x >> 16;
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scaling_info->src_rect.y = state->src_y >> 16;
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/*
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* For reasons we don't (yet) fully understand a non-zero
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* src_y coordinate into an NV12 buffer can cause a
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* system hang. To avoid hangs (and maybe be overly cautious)
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* let's reject both non-zero src_x and src_y.
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*
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* We currently know of only one use-case to reproduce a
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* scenario with non-zero src_x and src_y for NV12, which
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* is to gesture the YouTube Android app into full screen
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* on ChromeOS.
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*/
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if (state->fb &&
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state->fb->format->format == DRM_FORMAT_NV12 &&
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(scaling_info->src_rect.x != 0 ||
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scaling_info->src_rect.y != 0))
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return -EINVAL;
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scaling_info->src_rect.width = state->src_w >> 16;
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if (scaling_info->src_rect.width == 0)
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return -EINVAL;
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@@ -9869,6 +9886,53 @@ static int add_affected_mst_dsc_crtcs(struct drm_atomic_state *state, struct drm
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}
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#endif
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static int validate_overlay(struct drm_atomic_state *state)
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{
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int i;
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struct drm_plane *plane;
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struct drm_plane_state *old_plane_state, *new_plane_state;
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struct drm_plane_state *primary_state, *overlay_state = NULL;
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/* Check if primary plane is contained inside overlay */
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for_each_oldnew_plane_in_state_reverse(state, plane, old_plane_state, new_plane_state, i) {
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if (plane->type == DRM_PLANE_TYPE_OVERLAY) {
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if (drm_atomic_plane_disabling(plane->state, new_plane_state))
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return 0;
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overlay_state = new_plane_state;
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continue;
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}
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}
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/* check if we're making changes to the overlay plane */
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if (!overlay_state)
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return 0;
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/* check if overlay plane is enabled */
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if (!overlay_state->crtc)
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return 0;
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/* find the primary plane for the CRTC that the overlay is enabled on */
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primary_state = drm_atomic_get_plane_state(state, overlay_state->crtc->primary);
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if (IS_ERR(primary_state))
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return PTR_ERR(primary_state);
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/* check if primary plane is enabled */
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if (!primary_state->crtc)
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return 0;
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/* Perform the bounds check to ensure the overlay plane covers the primary */
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if (primary_state->crtc_x < overlay_state->crtc_x ||
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primary_state->crtc_y < overlay_state->crtc_y ||
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primary_state->crtc_x + primary_state->crtc_w > overlay_state->crtc_x + overlay_state->crtc_w ||
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primary_state->crtc_y + primary_state->crtc_h > overlay_state->crtc_y + overlay_state->crtc_h) {
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DRM_DEBUG_ATOMIC("Overlay plane is enabled with hardware cursor but does not fully cover primary plane\n");
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return -EINVAL;
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}
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return 0;
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}
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/**
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* amdgpu_dm_atomic_check() - Atomic check implementation for AMDgpu DM.
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* @dev: The DRM device
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@@ -10043,6 +10107,10 @@ static int amdgpu_dm_atomic_check(struct drm_device *dev,
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goto fail;
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}
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ret = validate_overlay(state);
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if (ret)
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goto fail;
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/* Add new/modified planes */
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for_each_oldnew_plane_in_state_reverse(state, plane, old_plane_state, new_plane_state, i) {
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ret = dm_update_plane_state(dc, state, plane,
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