linux-stable.git/drivers/gpu/drm/amd/display/amdgpu_dm/Makefile, branch linux-rolling-lts Linux kernel stable tree drm/amd/display: Restructure DMI quirks 2025-05-13T13:30:52+00:00 Mario Limonciello mario.limonciello@amd.com 2025-04-22T20:58:41+00:00 de6485e3df24170d71706d6f2c55a496443c3803 [Why] DMI quirks are relatively big code that makes amdgpu_dm 200 lines larger. [How] Move DMI quirks into a dedicated source file and make all quirks variables for `struct amdgpu_display_manager`. Reviewed-by: Alex Hung <alex.hung@amd.com> Signed-off-by: Mario Limonciello <mario.limonciello@amd.com> Signed-off-by: Ray Wu <ray.wu@amd.com> Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
[Why]
DMI quirks are relatively big code that makes amdgpu_dm 200 lines
larger.

[How]
Move DMI quirks into a dedicated source file and make all quirks
variables for `struct amdgpu_display_manager`.

Reviewed-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Ray Wu <ray.wu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amd/display: Initialize writeback connector 2023-12-06T20:22:34+00:00 Alex Hung alex.hung@amd.com 2023-12-01T13:25:24+00:00 dfc03588cf8ce2af8ef810cd226dc98ee4fbac38 [WHAT] Create a drm_writeback_connector when connector signal equals SIGNAL_TYPE_VIRTUAL. Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Reviewed-by: Harry Wentland <harry.wentland@amd.com> Signed-off-by: Alex Hung <alex.hung@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
[WHAT]
Create a drm_writeback_connector when connector signal equals
SIGNAL_TYPE_VIRTUAL.

Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amd/display: Skip entire amdgpu_dm build if !CONFIG_DRM_AMD_DC 2023-12-06T20:22:34+00:00 Harry Wentland harry.wentland@amd.com 2023-12-01T13:25:22+00:00 80af8859b46d1fa386871f71bad95db9ff50ad62 [WHY] Previously this only excluded build for a few amdgpu_dm binaries which makes no sense. [HOW] Wrap the entire Makefile in "ifneq ($(CONFIG_DRM_AMD_DC),)" Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Reviewed-by: Alex Hung <alex.hung@amd.com> Signed-off-by: Harry Wentland <harry.wentland@amd.com> Signed-off-by: Alex Hung <alex.hung@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
[WHY]
Previously this only excluded build for a few amdgpu_dm
binaries which makes no sense.

[HOW]
Wrap the entire Makefile in "ifneq ($(CONFIG_DRM_AMD_DC),)"

Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Reviewed-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amd/display: Add Freesync Panel DM code 2023-08-07T21:14:07+00:00 Bhawanpreet Lakha Bhawanpreet.Lakha@amd.com 2023-05-12T18:26:10+00:00 dede1fea4460e734f0ef85875718a036bdd18649 We need certain conditions for replay to be enabled, so create an interface in DM to enable/disable replay. Signed-off-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com> Reviewed-by: Harry Wentland <harry.wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
We need certain conditions for replay to be enabled, so create an
interface in DM to enable/disable replay.

Signed-off-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amd/display: Rename DCN config to FP 2023-03-07T19:22:40+00:00 Harry Wentland harry.wentland@amd.com 2023-02-14T19:14:49+00:00 4652ae7a51b78d7607c247228ac2a14fa0088bbf [Why & How] The only reason we have the DCN config is for floating point support. Rename it to make that clear and (hopefully) avoid misuse of the config in the future. Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com> Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com> Signed-off-by: Harry Wentland <harry.wentland@amd.com> Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
[Why & How]
The only reason we have the DCN config is for
floating point support. Rename it to make that
clear and (hopefully) avoid misuse of the config
in the future.

Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amd/display: Drop CONFIG_DRM_AMD_DC_HDCP 2023-03-07T19:22:39+00:00 Harry Wentland harry.wentland@amd.com 2023-02-13T16:19:31+00:00 1e88eb1b2c259994d034b0833cb489105a984ebb [Why & How] There is no reason we still need a config option for this. Reviewed-by: Wenjing Liu <Wenjing.Liu@amd.com> Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com> Signed-off-by: Harry Wentland <harry.wentland@amd.com> Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
[Why & How]
There is no reason we still need a config option for this.

Reviewed-by: Wenjing Liu <Wenjing.Liu@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amd/display: Create a file dedicated for CRTC 2022-07-25T13:31:01+00:00 Rodrigo Siqueira Rodrigo.Siqueira@amd.com 2022-07-20T19:43:21+00:00 473683a03495a5ed9c75a02c7497f32d6cf92c7a [Why] The amdgpu_dm file contains most of the code that works as an interface between DRM API and DC. As a result, this file becomes very large since it comprises multiple abstractions such as CRTC manipulation. [How] This commit extracts the CRTC code to its specific file named amdgpu_dm_crtc. This change does not change anything inside the functions; the only exception is converting some static functions to a global function. v2: fix ifdef merge mix up (Alex) Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Reviewed-by: Harry Wentland <Harry.Wentland@amd.com> Acked-by: Alan Liu <HaoPing.Liu@amd.com> Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
[Why]
The amdgpu_dm file contains most of the code that works as an interface
between DRM API and DC. As a result, this file becomes very large since
it comprises multiple abstractions such as CRTC manipulation.

[How]
This commit extracts the CRTC code to its specific file named
amdgpu_dm_crtc. This change does not change anything inside the
functions; the only exception is converting some static functions to a
global function.

v2: fix ifdef merge mix up (Alex)

Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Reviewed-by: Harry Wentland <Harry.Wentland@amd.com>
Acked-by: Alan Liu <HaoPing.Liu@amd.com>
Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amd/display: Create a file dedicated to planes 2022-07-20T20:10:38+00:00 Rodrigo Siqueira Rodrigo.Siqueira@amd.com 2022-07-20T19:31:42+00:00 5d945cbcd4b16a29d6470a80dfb19738f9a4319f [Why] The amdgpu_dm file contains most of the code that works as an interface between DRM API and DC. As a result, this file becomes very large since it comprises multiple abstractions such as plane manipulation. [How] This commit extracts the plane code to its specific file named amdgpu_dm_plane. This change does not change anything inside the functions; the only exception is converting some static functions to a global function. Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Reviewed-by: Harry Wentland <Harry.Wentland@amd.com> Acked-by: Alan Liu <HaoPing.Liu@amd.com> Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
[Why]
The amdgpu_dm file contains most of the code that works as an interface
between DRM API and DC. As a result, this file becomes very large since
it comprises multiple abstractions such as plane manipulation.

[How]
This commit extracts the plane code to its specific file named
amdgpu_dm_plane. This change does not change anything inside the
functions; the only exception is converting some static functions to a
global function.

Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Reviewed-by: Harry Wentland <Harry.Wentland@amd.com>
Acked-by: Alan Liu <HaoPing.Liu@amd.com>
Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amd/display: Add control mechanism for FPU 2021-08-06T01:17:59+00:00 Rodrigo Siqueira Rodrigo.Siqueira@amd.com 2021-07-27T00:52:46+00:00 96ee63730fa30614e943ac352ef772be49a712d9 DC invokes DC_FPU_START/END in multiple parts of the code; this can create a situation where we invoke this FPU operation in a nested way or exit too early. For avoiding this situation, this commit adds a mechanism where dc_fpu_begin/end manages the access to kernel_fpu_begin/end. Change since V3: - Christian: Move PPC64 code to dc_fpu_begin/end. Change since V2: - Christian: Do not use this_cpu_* between get/put_cpu_ptr(). Change since V1: - Use a better variable names - Use get_cpu_ptr and put_cpu_ptr to better balance preemption enable and disable Cc: Harry Wentland <harry.wentland@amd.com> Cc: Anson Jacob <Anson.Jacob@amd.com> Cc: Christian König <christian.koenig@amd.com> Cc: Hersen Wu <hersenxs.wu@amd.com> Cc: Aric Cyr <aric.cyr@amd.com> Cc: Jun Lei <jun.lei@amd.com> Cc: Dmytro Laktyushkin <dmytro.laktyushkin@amd.com> Cc: Qingqing Zhuo <qingqing.zhuo@amd.com> Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
DC invokes DC_FPU_START/END in multiple parts of the code; this can
create a situation where we invoke this FPU operation in a nested way or
exit too early. For avoiding this situation, this commit adds a
mechanism where dc_fpu_begin/end manages the access to
kernel_fpu_begin/end.

Change since V3:
- Christian: Move PPC64 code to dc_fpu_begin/end.

Change since V2:
- Christian: Do not use this_cpu_* between get/put_cpu_ptr().

Change since V1:
- Use a better variable names
- Use get_cpu_ptr and put_cpu_ptr to better balance preemption enable
and disable

Cc: Harry Wentland <harry.wentland@amd.com>
Cc: Anson Jacob <Anson.Jacob@amd.com>
Cc: Christian König <christian.koenig@amd.com>
Cc: Hersen Wu <hersenxs.wu@amd.com>
Cc: Aric Cyr <aric.cyr@amd.com>
Cc: Jun Lei <jun.lei@amd.com>
Cc: Dmytro Laktyushkin <dmytro.laktyushkin@amd.com>
Cc: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amd/display: move psr dm interface to separate files 2021-06-15T21:25:40+00:00 Roman Li roman.li@amd.com 2021-06-04T18:34:24+00:00 f4594cd1fa556609450e0ed5664a0adf69ab0b35 [Why] Improve the maintain/read abilities of dm code. [How] Create amdgpu_dm_psr.c/h files. Move psr function from amdgpu_dm.c Signed-off-by: Roman Li <roman.li@amd.com> Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com> Acked-by: Anson Jacob <Anson.Jacob@amd.com> Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
[Why]
Improve the maintain/read abilities of dm code.

[How]
Create amdgpu_dm_psr.c/h files.
Move psr function from amdgpu_dm.c

Signed-off-by: Roman Li <roman.li@amd.com>
Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Acked-by: Anson Jacob <Anson.Jacob@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>