]> git.ipfire.org Git - thirdparty/kernel/linux.git/commitdiff
drm/amd/display: Change lock descriptor values
authorDominik Kaszewski <dominik.kaszewski@amd.com>
Mon, 20 Oct 2025 13:16:07 +0000 (15:16 +0200)
committerAlex Deucher <alexander.deucher@amd.com>
Wed, 12 Nov 2025 02:54:15 +0000 (21:54 -0500)
[Why]
Review of usage scenarios requires dc_lock_descriptor modification.

[How]
Replace STATE/LINK/STREAM/PLANE with GLOBAL/STREAM/LINK, where
the first means all streams to be locked.

Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: Dominik Kaszewski <dominik.kaszewski@amd.com>
Signed-off-by: Fangzhi Zuo <jerry.zuo@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/display/dc/core/dc.c
drivers/gpu/drm/amd/display/dc/dc.h

index 3999b583506685da77e09b3b6c74d7dc84f7689a..819c08b59d4e256b981b482005e6aa078ac58d88 100644 (file)
@@ -2670,41 +2670,42 @@ static struct surface_update_descriptor get_plane_info_update_type(const struct
        if (!u->plane_info)
                return update_type;
 
-       elevate_update_type(&update_type, UPDATE_TYPE_FAST, LOCK_DESCRIPTOR_PLANE);
+       // `plane_info` present means at least `STREAM` lock is required
+       elevate_update_type(&update_type, UPDATE_TYPE_FAST, LOCK_DESCRIPTOR_STREAM);
 
        if (u->plane_info->color_space != u->surface->color_space) {
                update_flags->bits.color_space_change = 1;
-               elevate_update_type(&update_type, UPDATE_TYPE_MED, LOCK_DESCRIPTOR_STATE);
+               elevate_update_type(&update_type, UPDATE_TYPE_MED, LOCK_DESCRIPTOR_STREAM);
        }
 
        if (u->plane_info->horizontal_mirror != u->surface->horizontal_mirror) {
                update_flags->bits.horizontal_mirror_change = 1;
-               elevate_update_type(&update_type, UPDATE_TYPE_MED, LOCK_DESCRIPTOR_STATE);
+               elevate_update_type(&update_type, UPDATE_TYPE_MED, LOCK_DESCRIPTOR_STREAM);
        }
 
        if (u->plane_info->rotation != u->surface->rotation) {
                update_flags->bits.rotation_change = 1;
-               elevate_update_type(&update_type, UPDATE_TYPE_FULL, LOCK_DESCRIPTOR_STATE);
+               elevate_update_type(&update_type, UPDATE_TYPE_FULL, LOCK_DESCRIPTOR_GLOBAL);
        }
 
        if (u->plane_info->format != u->surface->format) {
                update_flags->bits.pixel_format_change = 1;
-               elevate_update_type(&update_type, UPDATE_TYPE_FULL, LOCK_DESCRIPTOR_STATE);
+               elevate_update_type(&update_type, UPDATE_TYPE_FULL, LOCK_DESCRIPTOR_GLOBAL);
        }
 
        if (u->plane_info->stereo_format != u->surface->stereo_format) {
                update_flags->bits.stereo_format_change = 1;
-               elevate_update_type(&update_type, UPDATE_TYPE_FULL, LOCK_DESCRIPTOR_STATE);
+               elevate_update_type(&update_type, UPDATE_TYPE_FULL, LOCK_DESCRIPTOR_GLOBAL);
        }
 
        if (u->plane_info->per_pixel_alpha != u->surface->per_pixel_alpha) {
                update_flags->bits.per_pixel_alpha_change = 1;
-               elevate_update_type(&update_type, UPDATE_TYPE_MED, LOCK_DESCRIPTOR_STATE);
+               elevate_update_type(&update_type, UPDATE_TYPE_MED, LOCK_DESCRIPTOR_STREAM);
        }
 
        if (u->plane_info->global_alpha_value != u->surface->global_alpha_value) {
                update_flags->bits.global_alpha_change = 1;
-               elevate_update_type(&update_type, UPDATE_TYPE_MED, LOCK_DESCRIPTOR_STATE);
+               elevate_update_type(&update_type, UPDATE_TYPE_MED, LOCK_DESCRIPTOR_STREAM);
        }
 
        if (u->plane_info->dcc.enable != u->surface->dcc.enable
@@ -2716,7 +2717,7 @@ static struct surface_update_descriptor get_plane_info_update_type(const struct
                 * recalculate stutter period.
                 */
                update_flags->bits.dcc_change = 1;
-               elevate_update_type(&update_type, UPDATE_TYPE_FULL, LOCK_DESCRIPTOR_STATE);
+               elevate_update_type(&update_type, UPDATE_TYPE_FULL, LOCK_DESCRIPTOR_GLOBAL);
        }
 
        if (resource_pixel_format_to_bpp(u->plane_info->format) !=
@@ -2725,34 +2726,34 @@ static struct surface_update_descriptor get_plane_info_update_type(const struct
                 * and DML calculation
                 */
                update_flags->bits.bpp_change = 1;
-               elevate_update_type(&update_type, UPDATE_TYPE_FULL, LOCK_DESCRIPTOR_STATE);
+               elevate_update_type(&update_type, UPDATE_TYPE_FULL, LOCK_DESCRIPTOR_GLOBAL);
        }
 
        if (u->plane_info->plane_size.surface_pitch != u->surface->plane_size.surface_pitch
                        || u->plane_info->plane_size.chroma_pitch != u->surface->plane_size.chroma_pitch) {
                update_flags->bits.plane_size_change = 1;
-               elevate_update_type(&update_type, UPDATE_TYPE_MED, LOCK_DESCRIPTOR_STATE);
+               elevate_update_type(&update_type, UPDATE_TYPE_MED, LOCK_DESCRIPTOR_STREAM);
        }
 
        const struct dc_tiling_info *tiling = &u->plane_info->tiling_info;
 
        if (memcmp(tiling, &u->surface->tiling_info, sizeof(*tiling)) != 0) {
                update_flags->bits.swizzle_change = 1;
-               elevate_update_type(&update_type, UPDATE_TYPE_MED, LOCK_DESCRIPTOR_STATE);
+               elevate_update_type(&update_type, UPDATE_TYPE_MED, LOCK_DESCRIPTOR_STREAM);
 
                switch (tiling->gfxversion) {
                case DcGfxVersion9:
                case DcGfxVersion10:
                case DcGfxVersion11:
                        if (tiling->gfx9.swizzle != DC_SW_LINEAR) {
-                               elevate_update_type(&update_type, UPDATE_TYPE_FULL, LOCK_DESCRIPTOR_STATE);
                                update_flags->bits.bandwidth_change = 1;
+                               elevate_update_type(&update_type, UPDATE_TYPE_FULL, LOCK_DESCRIPTOR_GLOBAL);
                        }
                        break;
                case DcGfxAddr3:
                        if (tiling->gfx_addr3.swizzle != DC_ADDR3_SW_LINEAR) {
-                               elevate_update_type(&update_type, UPDATE_TYPE_FULL, LOCK_DESCRIPTOR_STATE);
                                update_flags->bits.bandwidth_change = 1;
+                               elevate_update_type(&update_type, UPDATE_TYPE_FULL, LOCK_DESCRIPTOR_GLOBAL);
                        }
                        break;
                case DcGfxVersion7:
@@ -2777,7 +2778,8 @@ static struct surface_update_descriptor get_scaling_info_update_type(
        if (!u->scaling_info)
                return update_type;
 
-       elevate_update_type(&update_type, UPDATE_TYPE_FAST, LOCK_DESCRIPTOR_PLANE);
+       // `scaling_info` present means at least `STREAM` lock is required
+       elevate_update_type(&update_type, UPDATE_TYPE_FAST, LOCK_DESCRIPTOR_STREAM);
 
        if (u->scaling_info->src_rect.width != u->surface->src_rect.width
                        || u->scaling_info->src_rect.height != u->surface->src_rect.height
@@ -2788,6 +2790,7 @@ static struct surface_update_descriptor get_scaling_info_update_type(
                        || u->scaling_info->scaling_quality.integer_scaling !=
                                        u->surface->scaling_quality.integer_scaling) {
                update_flags->bits.scaling_change = 1;
+               elevate_update_type(&update_type, UPDATE_TYPE_FULL, LOCK_DESCRIPTOR_GLOBAL);
 
                if (u->scaling_info->src_rect.width > u->surface->src_rect.width
                                || u->scaling_info->src_rect.height > u->surface->src_rect.height)
@@ -2813,17 +2816,10 @@ static struct surface_update_descriptor get_scaling_info_update_type(
                        || u->scaling_info->clip_rect.x != u->surface->clip_rect.x
                        || u->scaling_info->clip_rect.y != u->surface->clip_rect.y
                        || u->scaling_info->dst_rect.x != u->surface->dst_rect.x
-                       || u->scaling_info->dst_rect.y != u->surface->dst_rect.y)
+                       || u->scaling_info->dst_rect.y != u->surface->dst_rect.y) {
+               elevate_update_type(&update_type, UPDATE_TYPE_MED, LOCK_DESCRIPTOR_STREAM);
                update_flags->bits.position_change = 1;
-
-       /* process every update flag before returning */
-       if (update_flags->bits.clock_change
-                       || update_flags->bits.bandwidth_change
-                       || update_flags->bits.scaling_change)
-               elevate_update_type(&update_type, UPDATE_TYPE_FULL, LOCK_DESCRIPTOR_STATE);
-
-       if (update_flags->bits.position_change)
-               elevate_update_type(&update_type, UPDATE_TYPE_MED, LOCK_DESCRIPTOR_STATE);
+       }
 
        return update_type;
 }
@@ -2837,7 +2833,7 @@ static struct surface_update_descriptor det_surface_update(
 
        if (u->surface->force_full_update) {
                update_flags->raw = 0xFFFFFFFF;
-               elevate_update_type(&overall_type, UPDATE_TYPE_FULL, LOCK_DESCRIPTOR_STATE);
+               elevate_update_type(&overall_type, UPDATE_TYPE_FULL, LOCK_DESCRIPTOR_GLOBAL);
                return overall_type;
        }
 
@@ -2852,76 +2848,69 @@ static struct surface_update_descriptor det_surface_update(
 
        if (u->flip_addr) {
                update_flags->bits.addr_update = 1;
+               elevate_update_type(&overall_type, UPDATE_TYPE_FAST, LOCK_DESCRIPTOR_STREAM);
+
                if (u->flip_addr->address.tmz_surface != u->surface->address.tmz_surface) {
                        update_flags->bits.tmz_changed = 1;
-                       elevate_update_type(&overall_type, UPDATE_TYPE_FULL, LOCK_DESCRIPTOR_STATE);
+                       elevate_update_type(&overall_type, UPDATE_TYPE_FULL, LOCK_DESCRIPTOR_GLOBAL);
                }
        }
-       if (u->in_transfer_func)
+       if (u->in_transfer_func) {
                update_flags->bits.in_transfer_func_change = 1;
+               elevate_update_type(&overall_type, UPDATE_TYPE_FAST, LOCK_DESCRIPTOR_STREAM);
+       }
 
-       if (u->input_csc_color_matrix)
+       if (u->input_csc_color_matrix) {
                update_flags->bits.input_csc_change = 1;
+               elevate_update_type(&overall_type, UPDATE_TYPE_FAST, LOCK_DESCRIPTOR_STREAM);
+       }
 
-       if (u->coeff_reduction_factor)
+       if (u->coeff_reduction_factor) {
                update_flags->bits.coeff_reduction_change = 1;
+               elevate_update_type(&overall_type, UPDATE_TYPE_FAST, LOCK_DESCRIPTOR_STREAM);
+       }
 
-       if (u->gamut_remap_matrix)
+       if (u->gamut_remap_matrix) {
                update_flags->bits.gamut_remap_change = 1;
+               elevate_update_type(&overall_type, UPDATE_TYPE_FAST, LOCK_DESCRIPTOR_STREAM);
+       }
 
-       if (u->blend_tf)
+       if (u->blend_tf || (u->gamma && dce_use_lut(u->plane_info ? u->plane_info->format : u->surface->format))) {
                update_flags->bits.gamma_change = 1;
-
-       if (u->gamma) {
-               enum surface_pixel_format format = SURFACE_PIXEL_FORMAT_GRPH_BEGIN;
-
-               if (u->plane_info)
-                       format = u->plane_info->format;
-               else
-                       format = u->surface->format;
-
-               if (dce_use_lut(format))
-                       update_flags->bits.gamma_change = 1;
+               elevate_update_type(&overall_type, UPDATE_TYPE_FAST, LOCK_DESCRIPTOR_STREAM);
        }
 
-       if (u->lut3d_func || u->func_shaper)
+       if (u->lut3d_func || u->func_shaper) {
                update_flags->bits.lut_3d = 1;
+               elevate_update_type(&overall_type, UPDATE_TYPE_FAST, LOCK_DESCRIPTOR_STREAM);
+       }
 
        if (u->hdr_mult.value)
                if (u->hdr_mult.value != u->surface->hdr_mult.value) {
-                       update_flags->bits.hdr_mult = 1;
                        // TODO: Should be fast?
-                       elevate_update_type(&overall_type, UPDATE_TYPE_MED, LOCK_DESCRIPTOR_STATE);
+                       update_flags->bits.hdr_mult = 1;
+                       elevate_update_type(&overall_type, UPDATE_TYPE_MED, LOCK_DESCRIPTOR_STREAM);
                }
 
        if (u->sdr_white_level_nits)
                if (u->sdr_white_level_nits != u->surface->sdr_white_level_nits) {
-                       update_flags->bits.sdr_white_level_nits = 1;
                        // TODO: Should be fast?
-                       elevate_update_type(&overall_type, UPDATE_TYPE_FULL, LOCK_DESCRIPTOR_STATE);
+                       update_flags->bits.sdr_white_level_nits = 1;
+                       elevate_update_type(&overall_type, UPDATE_TYPE_FULL, LOCK_DESCRIPTOR_GLOBAL);
                }
 
        if (u->cm2_params) {
-               if ((u->cm2_params->component_settings.shaper_3dlut_setting
-                                       != u->surface->mcm_shaper_3dlut_setting)
-                               || (u->cm2_params->component_settings.lut1d_enable
-                                       != u->surface->mcm_lut1d_enable))
-                       update_flags->bits.mcm_transfer_function_enable_change = 1;
-               if (u->cm2_params->cm2_luts.lut3d_data.lut3d_src
-                               != u->surface->mcm_luts.lut3d_data.lut3d_src)
+               if (u->cm2_params->component_settings.shaper_3dlut_setting != u->surface->mcm_shaper_3dlut_setting
+                               || u->cm2_params->component_settings.lut1d_enable != u->surface->mcm_lut1d_enable
+                               || u->cm2_params->cm2_luts.lut3d_data.lut3d_src != u->surface->mcm_luts.lut3d_data.lut3d_src) {
                        update_flags->bits.mcm_transfer_function_enable_change = 1;
-       }
-       if (update_flags->bits.in_transfer_func_change) {
-               // TODO: Fast?
-               elevate_update_type(&overall_type, UPDATE_TYPE_MED, LOCK_DESCRIPTOR_STATE);
+                       elevate_update_type(&overall_type, UPDATE_TYPE_FULL, LOCK_DESCRIPTOR_GLOBAL);
+               }
        }
 
        if (update_flags->bits.lut_3d &&
                        u->surface->mcm_luts.lut3d_data.lut3d_src != DC_CM2_TRANSFER_FUNC_SOURCE_VIDMEM) {
-               elevate_update_type(&overall_type, UPDATE_TYPE_FULL, LOCK_DESCRIPTOR_STATE);
-       }
-       if (update_flags->bits.mcm_transfer_function_enable_change) {
-               elevate_update_type(&overall_type, UPDATE_TYPE_FULL, LOCK_DESCRIPTOR_STATE);
+               elevate_update_type(&overall_type, UPDATE_TYPE_FULL, LOCK_DESCRIPTOR_GLOBAL);
        }
 
        if (check_config->enable_legacy_fast_update &&
@@ -2929,7 +2918,7 @@ static struct surface_update_descriptor det_surface_update(
                        update_flags->bits.gamut_remap_change ||
                        update_flags->bits.input_csc_change ||
                        update_flags->bits.coeff_reduction_change)) {
-               elevate_update_type(&overall_type, UPDATE_TYPE_FULL, LOCK_DESCRIPTOR_STATE);
+               elevate_update_type(&overall_type, UPDATE_TYPE_FULL, LOCK_DESCRIPTOR_GLOBAL);
        }
        return overall_type;
 }
@@ -2966,19 +2955,19 @@ static struct surface_update_descriptor check_update_surfaces_for_stream(
        struct surface_update_descriptor overall_type = { UPDATE_TYPE_FAST, LOCK_DESCRIPTOR_NONE };
 
        if (stream_update && stream_update->pending_test_pattern) {
-               elevate_update_type(&overall_type, UPDATE_TYPE_FULL, LOCK_DESCRIPTOR_STATE);
+               elevate_update_type(&overall_type, UPDATE_TYPE_FULL, LOCK_DESCRIPTOR_GLOBAL);
        }
 
        if (stream_update && stream_update->hw_cursor_req) {
-               elevate_update_type(&overall_type, UPDATE_TYPE_FULL, LOCK_DESCRIPTOR_STATE);
+               elevate_update_type(&overall_type, UPDATE_TYPE_FULL, LOCK_DESCRIPTOR_GLOBAL);
        }
 
        /* some stream updates require passive update */
        if (stream_update) {
-               union stream_update_flags *su_flags = &stream_update->stream->update_flags;
-
                elevate_update_type(&overall_type, UPDATE_TYPE_FAST, LOCK_DESCRIPTOR_STREAM);
 
+               union stream_update_flags *su_flags = &stream_update->stream->update_flags;
+
                if ((stream_update->src.height != 0 && stream_update->src.width != 0) ||
                        (stream_update->dst.height != 0 && stream_update->dst.width != 0) ||
                        stream_update->integer_scaling_update)
@@ -2990,8 +2979,10 @@ static struct surface_update_descriptor check_update_surfaces_for_stream(
                if (stream_update->abm_level)
                        su_flags->bits.abm_level = 1;
 
-               if (stream_update->dpms_off)
+               if (stream_update->dpms_off) {
                        su_flags->bits.dpms_off = 1;
+                       elevate_update_type(&overall_type, UPDATE_TYPE_FULL, LOCK_DESCRIPTOR_GLOBAL | LOCK_DESCRIPTOR_LINK);
+               }
 
                if (stream_update->gamut_remap)
                        su_flags->bits.gamut_remap = 1;
@@ -3019,17 +3010,20 @@ static struct surface_update_descriptor check_update_surfaces_for_stream(
                if (stream_update->output_color_space)
                        su_flags->bits.out_csc = 1;
 
-               if (su_flags->raw != 0)
-                       elevate_update_type(&overall_type, UPDATE_TYPE_FULL, LOCK_DESCRIPTOR_STATE);
+               // TODO: Make each elevation explicit, as to not override fast stream in crct_timing_adjust
+               if (su_flags->raw)
+                       elevate_update_type(&overall_type, UPDATE_TYPE_FULL, LOCK_DESCRIPTOR_GLOBAL);
 
-               if (stream_update->output_csc_transform)
+               // Non-global cases
+               if (stream_update->output_csc_transform) {
                        su_flags->bits.out_csc = 1;
+                       elevate_update_type(&overall_type, UPDATE_TYPE_FAST, LOCK_DESCRIPTOR_STREAM);
+               }
 
-               /* Output transfer function changes do not require bandwidth recalculation,
-                * so don't trigger a full update
-                */
-               if (!check_config->enable_legacy_fast_update && stream_update->out_transfer_func)
+               if (!check_config->enable_legacy_fast_update && stream_update->out_transfer_func) {
                        su_flags->bits.out_tf = 1;
+                       elevate_update_type(&overall_type, UPDATE_TYPE_FAST, LOCK_DESCRIPTOR_STREAM);
+               }
        }
 
        for (int i = 0 ; i < surface_count; i++) {
index 6b9e510b1ed52390e63261c97d3a9d5eb8bf3356..a29f7dee1bc855c492ebe810b3fef92f465cf436 100644 (file)
@@ -469,10 +469,9 @@ enum surface_update_type {
 
 enum dc_lock_descriptor {
        LOCK_DESCRIPTOR_NONE = 0x0,
-       LOCK_DESCRIPTOR_STATE = 0x1,
+       LOCK_DESCRIPTOR_STREAM = 0x1,
        LOCK_DESCRIPTOR_LINK = 0x2,
-       LOCK_DESCRIPTOR_STREAM = 0x4,
-       LOCK_DESCRIPTOR_PLANE = 0x8,
+       LOCK_DESCRIPTOR_GLOBAL = 0x4,
 };
 
 struct surface_update_descriptor {