github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-05-24 07:03:03 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

drm/amd/display/dc: add helper for panic updates

Browse Source 
Add a DC helper for panic updates.

Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: Lu Yao <yaolu@kylinos.cn>
Cc: Jocelyn Falempe <jfalempe@redhat.com>
Cc: Harry Wentland <harry.wentland@amd.com>
This commit is contained in:
Alex Deucher 2024-11-12 16:19:18 -05:00
parent 98471006ae
commit b7a287fa0c
2 changed files with 49 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

46
drivers/gpu/drm/amd/display/dc/core/dc_surface.c
View File

@ -270,4 +270,50 @@ void dc_3dlut_func_retain(struct dc_3dlut *lut)
kref_get(&lut->refcount);
}
void dc_plane_force_update_for_panic(struct dc_plane_state *plane_state,
bool clear_tiling)
{
struct dc *dc;
int i;
if (!plane_state)
return;
dc = plane_state->ctx->dc;
if (!dc || !dc->current_state)
return;
for (i = 0; i < dc->res_pool->pipe_count; i++) {
struct pipe_ctx *pipe_ctx = &dc->current_state->res_ctx.pipe_ctx[i];
if (!pipe_ctx)
continue;
if (dc->ctx->dce_version >= DCE_VERSION_MAX) {
struct hubp *hubp = pipe_ctx->plane_res.hubp;
if (!hubp)
continue;
/* if framebuffer is tiled, disable tiling */
if (clear_tiling && hubp->funcs->hubp_clear_tiling)
hubp->funcs->hubp_clear_tiling(hubp);
/* force page flip to see the new content of the framebuffer */
hubp->funcs->hubp_program_surface_flip_and_addr(hubp,
&plane_state->address,
true);
} else {
struct mem_input *mi = pipe_ctx->plane_res.mi;
if (!mi)
continue;
/* if framebuffer is tiled, disable tiling */
if (clear_tiling && mi->funcs->mem_input_clear_tiling)
mi->funcs->mem_input_clear_tiling(mi);
/* force page flip to see the new content of the framebuffer */
mi->funcs->mem_input_program_surface_flip_and_addr(mi,
&plane_state->address,
true);
}
}
}

3
drivers/gpu/drm/amd/display/dc/dc_plane.h
View File

@ -34,4 +34,7 @@ const struct dc_plane_status *dc_plane_get_status(
void dc_plane_state_retain(struct dc_plane_state *plane_state);
void dc_plane_state_release(struct dc_plane_state *plane_state);
void dc_plane_force_update_for_panic(struct dc_plane_state *plane_state,
bool clear_tiling);
#endif /* _DC_PLANE_H_ */