This is a note to let you know that I've just added the patch titled
drm/amd/display: Add option to retrieve detile buffer size
to the 6.12-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
drm-amd-display-add-option-to-retrieve-detile-buffer.patch
and it can be found in the queue-6.12 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit c83631c637e5b2e527eb9003a5398fb4706a5b8a
Author: Sung Lee <Sung.Lee@xxxxxxx>
Date: Thu Nov 14 14:18:13 2024 -0500
drm/amd/display: Add option to retrieve detile buffer size
[ Upstream commit 6a7fd76b949efe40fb6d6677f480e624e0cb6e40 ]
[WHY]
For better power profiling knowing the detile
buffer size at a given point in time
would be useful.
[HOW]
Add interface to retrieve detile buffer from
dc state.
Cc: Mario Limonciello <mario.limonciello@xxxxxxx>
Cc: Alex Deucher <alexander.deucher@xxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
Reviewed-by: Aric Cyr <aric.cyr@xxxxxxx>
Signed-off-by: Sung Lee <Sung.Lee@xxxxxxx>
Signed-off-by: Alex Hung <alex.hung@xxxxxxx>
Tested-by: Daniel Wheeler <daniel.wheeler@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index 1d99ab233765f..dbf6724c34777 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -6013,3 +6013,21 @@ struct dc_power_profile dc_get_power_profile_for_dc_state(const struct dc_state
return profile;
}
+
+/*
+ **********************************************************************************
+ * dc_get_det_buffer_size_from_state() - extracts detile buffer size from dc state
+ *
+ * Called when DM wants to log detile buffer size from dc_state
+ *
+ **********************************************************************************
+ */
+unsigned int dc_get_det_buffer_size_from_state(const struct dc_state *context)
+{
+ struct dc *dc = context->clk_mgr->ctx->dc;
+
+ if (dc->res_pool->funcs->get_det_buffer_size)
+ return dc->res_pool->funcs->get_det_buffer_size(context);
+ else
+ return 0;
+}
diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h
index 25385aa09ed5d..7c163aa7e8bd2 100644
--- a/drivers/gpu/drm/amd/display/dc/dc.h
+++ b/drivers/gpu/drm/amd/display/dc/dc.h
@@ -2544,6 +2544,8 @@ struct dc_power_profile {
struct dc_power_profile dc_get_power_profile_for_dc_state(const struct dc_state *context);
+unsigned int dc_get_det_buffer_size_from_state(const struct dc_state *context);
+
/* DSC Interfaces */
#include "dc_dsc.h"
diff --git a/drivers/gpu/drm/amd/display/dc/inc/core_types.h b/drivers/gpu/drm/amd/display/dc/inc/core_types.h
index 8597e866bfe6b..3061dca47dd2f 100644
--- a/drivers/gpu/drm/amd/display/dc/inc/core_types.h
+++ b/drivers/gpu/drm/amd/display/dc/inc/core_types.h
@@ -219,6 +219,7 @@ struct resource_funcs {
* Get indicator of power from a context that went through full validation
*/
int (*get_power_profile)(const struct dc_state *context);
+ unsigned int (*get_det_buffer_size)(const struct dc_state *context);
};
struct audio_support{
diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn31/dcn31_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn31/dcn31_resource.c
index ac8cb20e2e3b6..80386f698ae4d 100644
--- a/drivers/gpu/drm/amd/display/dc/resource/dcn31/dcn31_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/resource/dcn31/dcn31_resource.c
@@ -1721,6 +1721,12 @@ int dcn31_populate_dml_pipes_from_context(
return pipe_cnt;
}
+unsigned int dcn31_get_det_buffer_size(
+ const struct dc_state *context)
+{
+ return context->bw_ctx.dml.ip.det_buffer_size_kbytes;
+}
+
void dcn31_calculate_wm_and_dlg(
struct dc *dc, struct dc_state *context,
display_e2e_pipe_params_st *pipes,
@@ -1843,6 +1849,7 @@ static struct resource_funcs dcn31_res_pool_funcs = {
.update_bw_bounding_box = dcn31_update_bw_bounding_box,
.patch_unknown_plane_state = dcn20_patch_unknown_plane_state,
.get_panel_config_defaults = dcn31_get_panel_config_defaults,
+ .get_det_buffer_size = dcn31_get_det_buffer_size,
};
static struct clock_source *dcn30_clock_source_create(
diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn31/dcn31_resource.h b/drivers/gpu/drm/amd/display/dc/resource/dcn31/dcn31_resource.h
index 901436591ed45..551ad912f7bea 100644
--- a/drivers/gpu/drm/amd/display/dc/resource/dcn31/dcn31_resource.h
+++ b/drivers/gpu/drm/amd/display/dc/resource/dcn31/dcn31_resource.h
@@ -63,6 +63,9 @@ struct resource_pool *dcn31_create_resource_pool(
const struct dc_init_data *init_data,
struct dc *dc);
+unsigned int dcn31_get_det_buffer_size(
+ const struct dc_state *context);
+
/*temp: B0 specific before switch to dcn313 headers*/
#ifndef regPHYPLLF_PIXCLK_RESYNC_CNTL
#define regPHYPLLF_PIXCLK_RESYNC_CNTL 0x007e
diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn314/dcn314_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn314/dcn314_resource.c
index 169924d0a8393..01d95108ce662 100644
--- a/drivers/gpu/drm/amd/display/dc/resource/dcn314/dcn314_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/resource/dcn314/dcn314_resource.c
@@ -1778,6 +1778,7 @@ static struct resource_funcs dcn314_res_pool_funcs = {
.patch_unknown_plane_state = dcn20_patch_unknown_plane_state,
.get_panel_config_defaults = dcn314_get_panel_config_defaults,
.get_preferred_eng_id_dpia = dcn314_get_preferred_eng_id_dpia,
+ .get_det_buffer_size = dcn31_get_det_buffer_size,
};
static struct clock_source *dcn30_clock_source_create(
diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn315/dcn315_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn315/dcn315_resource.c
index f6b840f046a5d..d85356b7fe419 100644
--- a/drivers/gpu/drm/amd/display/dc/resource/dcn315/dcn315_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/resource/dcn315/dcn315_resource.c
@@ -1846,6 +1846,7 @@ static struct resource_funcs dcn315_res_pool_funcs = {
.patch_unknown_plane_state = dcn20_patch_unknown_plane_state,
.get_panel_config_defaults = dcn315_get_panel_config_defaults,
.get_power_profile = dcn315_get_power_profile,
+ .get_det_buffer_size = dcn31_get_det_buffer_size,
};
static bool dcn315_resource_construct(
diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn316/dcn316_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn316/dcn316_resource.c
index 5fd52c5fcee45..af82e13029c9e 100644
--- a/drivers/gpu/drm/amd/display/dc/resource/dcn316/dcn316_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/resource/dcn316/dcn316_resource.c
@@ -1720,6 +1720,7 @@ static struct resource_funcs dcn316_res_pool_funcs = {
.update_bw_bounding_box = dcn316_update_bw_bounding_box,
.patch_unknown_plane_state = dcn20_patch_unknown_plane_state,
.get_panel_config_defaults = dcn316_get_panel_config_defaults,
+ .get_det_buffer_size = dcn31_get_det_buffer_size,
};
static bool dcn316_resource_construct(
diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn35/dcn35_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn35/dcn35_resource.c
index ed3238edaf791..d0c4693c12241 100644
--- a/drivers/gpu/drm/amd/display/dc/resource/dcn35/dcn35_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/resource/dcn35/dcn35_resource.c
@@ -1779,6 +1779,7 @@ static struct resource_funcs dcn35_res_pool_funcs = {
.patch_unknown_plane_state = dcn20_patch_unknown_plane_state,
.get_panel_config_defaults = dcn35_get_panel_config_defaults,
.get_preferred_eng_id_dpia = dcn35_get_preferred_eng_id_dpia,
+ .get_det_buffer_size = dcn31_get_det_buffer_size,
};
static bool dcn35_resource_construct(
diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn351/dcn351_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn351/dcn351_resource.c
index c274861e83c73..575c0aa12229c 100644
--- a/drivers/gpu/drm/amd/display/dc/resource/dcn351/dcn351_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/resource/dcn351/dcn351_resource.c
@@ -1758,6 +1758,7 @@ static struct resource_funcs dcn351_res_pool_funcs = {
.patch_unknown_plane_state = dcn20_patch_unknown_plane_state,
.get_panel_config_defaults = dcn35_get_panel_config_defaults,
.get_preferred_eng_id_dpia = dcn351_get_preferred_eng_id_dpia,
+ .get_det_buffer_size = dcn31_get_det_buffer_size,
};
static bool dcn351_resource_construct(
