From: Roman Li <roman.li@xxxxxxx>
[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@xxxxxxx>
Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@xxxxxxx>
Acked-by: Anson Jacob <Anson.Jacob@xxxxxxx>
---
.../gpu/drm/amd/display/amdgpu_dm/Makefile | 2 +-
.../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 137 +--------------
.../drm/amd/display/amdgpu_dm/amdgpu_dm_psr.c | 166 ++++++++++++++++++
.../drm/amd/display/amdgpu_dm/amdgpu_dm_psr.h | 37 ++++
4 files changed, 205 insertions(+), 137 deletions(-)
create mode 100644 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_psr.c
create mode 100644 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_psr.h
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/Makefile b/drivers/gpu/drm/amd/display/amdgpu_dm/Makefile
index 9a3b7bf8ab0b..91fb72c96545 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/Makefile
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/Makefile
@@ -28,7 +28,7 @@
AMDGPUDM = amdgpu_dm.o amdgpu_dm_irq.o amdgpu_dm_mst_types.o amdgpu_dm_color.o
ifneq ($(CONFIG_DRM_AMD_DC),)
-AMDGPUDM += amdgpu_dm_services.o amdgpu_dm_helpers.o amdgpu_dm_pp_smu.o
+AMDGPUDM += amdgpu_dm_services.o amdgpu_dm_helpers.o amdgpu_dm_pp_smu.o amdgpu_dm_psr.o
endif
ifdef CONFIG_DRM_AMD_DC_HDCP
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index c0a3119982b0..03b4ac4bf9ba 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -58,6 +58,7 @@
#if defined(CONFIG_DEBUG_FS)
#include "amdgpu_dm_debugfs.h"
#endif
+#include "amdgpu_dm_psr.h"
#include "ivsrcid/ivsrcid_vislands30.h"
@@ -213,12 +214,6 @@ static int amdgpu_dm_atomic_check(struct drm_device *dev,
static void handle_cursor_update(struct drm_plane *plane,
struct drm_plane_state *old_plane_state);
-static void amdgpu_dm_set_psr_caps(struct dc_link *link);
-static bool amdgpu_dm_psr_enable(struct dc_stream_state *stream);
-static bool amdgpu_dm_link_setup_psr(struct dc_stream_state *stream);
-static bool amdgpu_dm_psr_disable(struct dc_stream_state *stream);
-static bool amdgpu_dm_psr_disable_all(struct amdgpu_display_manager *dm);
-
static const struct drm_format_info *
amd_get_format_info(const struct drm_mode_fb_cmd2 *cmd);
@@ -10826,136 +10821,6 @@ void amdgpu_dm_update_freesync_caps(struct drm_connector *connector,
freesync_capable);
}
-static void amdgpu_dm_set_psr_caps(struct dc_link *link)
-{
- uint8_t dpcd_data[EDP_PSR_RECEIVER_CAP_SIZE];
-
- if (!(link->connector_signal & SIGNAL_TYPE_EDP))
- return;
- if (link->type == dc_connection_none)
- return;
- if (dm_helpers_dp_read_dpcd(NULL, link, DP_PSR_SUPPORT,
- dpcd_data, sizeof(dpcd_data))) {
- link->dpcd_caps.psr_caps.psr_version = dpcd_data[0];
-
- if (dpcd_data[0] == 0) {
- link->psr_settings.psr_version = DC_PSR_VERSION_UNSUPPORTED;
- link->psr_settings.psr_feature_enabled = false;
- } else {
- link->psr_settings.psr_version = DC_PSR_VERSION_1;
- link->psr_settings.psr_feature_enabled = true;
- }
-
- DRM_INFO("PSR support:%d\n", link->psr_settings.psr_feature_enabled);
- }
-}
-
-/*
- * amdgpu_dm_link_setup_psr() - configure psr link
- * @stream: stream state
- *
- * Return: true if success
- */
-static bool amdgpu_dm_link_setup_psr(struct dc_stream_state *stream)
-{
- struct dc_link *link = NULL;
- struct psr_config psr_config = {0};
- struct psr_context psr_context = {0};
- bool ret = false;
-
- if (stream == NULL)
- return false;
-
- link = stream->link;
-
- psr_config.psr_version = link->dpcd_caps.psr_caps.psr_version;
-
- if (psr_config.psr_version > 0) {
- psr_config.psr_exit_link_training_required = 0x1;
- psr_config.psr_frame_capture_indication_req = 0;
- psr_config.psr_rfb_setup_time = 0x37;
- psr_config.psr_sdp_transmit_line_num_deadline = 0x20;
- psr_config.allow_smu_optimizations = 0x0;
-
- ret = dc_link_setup_psr(link, stream, &psr_config, &psr_context);
-
- }
- DRM_DEBUG_DRIVER("PSR link: %d\n", link->psr_settings.psr_feature_enabled);
-
- return ret;
-}
-
-/*
- * amdgpu_dm_psr_enable() - enable psr f/w
- * @stream: stream state
- *
- * Return: true if success
- */
-bool amdgpu_dm_psr_enable(struct dc_stream_state *stream)
-{
- struct dc_link *link = stream->link;
- unsigned int vsync_rate_hz = 0;
- struct dc_static_screen_params params = {0};
- /* Calculate number of static frames before generating interrupt to
- * enter PSR.
- */
- // Init fail safe of 2 frames static
- unsigned int num_frames_static = 2;
-
- DRM_DEBUG_DRIVER("Enabling psr...\n");
-
- vsync_rate_hz = div64_u64(div64_u64((
- stream->timing.pix_clk_100hz * 100),
- stream->timing.v_total),
- stream->timing.h_total);
-
- /* Round up
- * Calculate number of frames such that at least 30 ms of time has
- * passed.
- */
- if (vsync_rate_hz != 0) {
- unsigned int frame_time_microsec = 1000000 / vsync_rate_hz;
- num_frames_static = (30000 / frame_time_microsec) + 1;
- }
-
- params.triggers.cursor_update = true;
- params.triggers.overlay_update = true;
- params.triggers.surface_update = true;
- params.num_frames = num_frames_static;
-
- dc_stream_set_static_screen_params(link->ctx->dc,
- &stream, 1,
- ¶ms);
-
- return dc_link_set_psr_allow_active(link, true, false, false);
-}
-
-/*
- * amdgpu_dm_psr_disable() - disable psr f/w
- * @stream: stream state
- *
- * Return: true if success
- */
-static bool amdgpu_dm_psr_disable(struct dc_stream_state *stream)
-{
-
- DRM_DEBUG_DRIVER("Disabling psr...\n");
-
- return dc_link_set_psr_allow_active(stream->link, false, true, false);
-}
-
-/*
- * amdgpu_dm_psr_disable() - disable psr f/w
- * if psr is enabled on any stream
- *
- * Return: true if success
- */
-static bool amdgpu_dm_psr_disable_all(struct amdgpu_display_manager *dm)
-{
- DRM_DEBUG_DRIVER("Disabling psr if psr is enabled on any stream\n");
- return dc_set_psr_allow_active(dm->dc, false);
-}
-
void amdgpu_dm_trigger_timing_sync(struct drm_device *dev)
{
struct amdgpu_device *adev = drm_to_adev(dev);
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_psr.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_psr.c
new file mode 100644
index 000000000000..f7c77ae0d965
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_psr.c
@@ -0,0 +1,166 @@
+/*
+ * Copyright 2021 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#include "amdgpu_dm_psr.h"
+#include "dc.h"
+#include "dm_helpers.h"
+
+/*
+ * amdgpu_dm_set_psr_caps() - set link psr capabilities
+ * @link: link
+ *
+ */
+void amdgpu_dm_set_psr_caps(struct dc_link *link)
+{
+ uint8_t dpcd_data[EDP_PSR_RECEIVER_CAP_SIZE];
+
+ if (!(link->connector_signal & SIGNAL_TYPE_EDP))
+ return;
+ if (link->type == dc_connection_none)
+ return;
+ if (dm_helpers_dp_read_dpcd(NULL, link, DP_PSR_SUPPORT,
+ dpcd_data, sizeof(dpcd_data))) {
+ link->dpcd_caps.psr_caps.psr_version = dpcd_data[0];
+
+ if (dpcd_data[0] == 0) {
+ link->psr_settings.psr_version = DC_PSR_VERSION_UNSUPPORTED;
+ link->psr_settings.psr_feature_enabled = false;
+ } else {
+ link->psr_settings.psr_version = DC_PSR_VERSION_1;
+ link->psr_settings.psr_feature_enabled = true;
+ }
+
+ DRM_INFO("PSR support:%d\n", link->psr_settings.psr_feature_enabled);
+ }
+}
+
+/*
+ * amdgpu_dm_link_setup_psr() - configure psr link
+ * @stream: stream state
+ *
+ * Return: true if success
+ */
+bool amdgpu_dm_link_setup_psr(struct dc_stream_state *stream)
+{
+ struct dc_link *link = NULL;
+ struct psr_config psr_config = {0};
+ struct psr_context psr_context = {0};
+ struct dc *dc = NULL;
+ bool ret = false;
+
+ if (stream == NULL)
+ return false;
+
+ link = stream->link;
+ dc = link->ctx->dc;
+
+ psr_config.psr_version = link->dpcd_caps.psr_caps.psr_version;
+
+ if (psr_config.psr_version > 0) {
+ psr_config.psr_exit_link_training_required = 0x1;
+ psr_config.psr_frame_capture_indication_req = 0;
+ psr_config.psr_rfb_setup_time = 0x37;
+ psr_config.psr_sdp_transmit_line_num_deadline = 0x20;
+ psr_config.allow_smu_optimizations = 0x0;
+
+ ret = dc_link_setup_psr(link, stream, &psr_config, &psr_context);
+
+ }
+ DRM_DEBUG_DRIVER("PSR link: %d\n", link->psr_settings.psr_feature_enabled);
+
+ return ret;
+}
+
+/*
+ * amdgpu_dm_psr_enable() - enable psr f/w
+ * @stream: stream state
+ *
+ * Return: true if success
+ */
+bool amdgpu_dm_psr_enable(struct dc_stream_state *stream)
+{
+ struct dc_link *link = stream->link;
+ unsigned int vsync_rate_hz = 0;
+ struct dc_static_screen_params params = {0};
+ /* Calculate number of static frames before generating interrupt to
+ * enter PSR.
+ */
+ // Init fail safe of 2 frames static
+ unsigned int num_frames_static = 2;
+
+ DRM_DEBUG_DRIVER("Enabling psr...\n");
+
+ vsync_rate_hz = div64_u64(div64_u64((
+ stream->timing.pix_clk_100hz * 100),
+ stream->timing.v_total),
+ stream->timing.h_total);
+
+ /* Round up
+ * Calculate number of frames such that at least 30 ms of time has
+ * passed.
+ */
+ if (vsync_rate_hz != 0) {
+ unsigned int frame_time_microsec = 1000000 / vsync_rate_hz;
+ num_frames_static = (30000 / frame_time_microsec) + 1;
+ }
+
+ params.triggers.cursor_update = true;
+ params.triggers.overlay_update = true;
+ params.triggers.surface_update = true;
+ params.num_frames = num_frames_static;
+
+ dc_stream_set_static_screen_params(link->ctx->dc,
+ &stream, 1,
+ ¶ms);
+
+ return dc_link_set_psr_allow_active(link, true, false, false);
+}
+
+/*
+ * amdgpu_dm_psr_disable() - disable psr f/w
+ * @stream: stream state
+ *
+ * Return: true if success
+ */
+bool amdgpu_dm_psr_disable(struct dc_stream_state *stream)
+{
+
+ DRM_DEBUG_DRIVER("Disabling psr...\n");
+
+ return dc_link_set_psr_allow_active(stream->link, false, true, false);
+}
+
+/*
+ * amdgpu_dm_psr_disable() - disable psr f/w
+ * if psr is enabled on any stream
+ *
+ * Return: true if success
+ */
+bool amdgpu_dm_psr_disable_all(struct amdgpu_display_manager *dm)
+{
+ DRM_DEBUG_DRIVER("Disabling psr if psr is enabled on any stream\n");
+ return dc_set_psr_allow_active(dm->dc, false);
+}
+
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_psr.h b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_psr.h
new file mode 100644
index 000000000000..57bbb80421e8
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_psr.h
@@ -0,0 +1,37 @@
+/*
+ * Copyright 2021 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#ifndef AMDGPU_DM_AMDGPU_DM_PSR_H_
+#define AMDGPU_DM_AMDGPU_DM_PSR_H_
+
+#include "amdgpu.h"
+
+void amdgpu_dm_set_psr_caps(struct dc_link *link);
+bool amdgpu_dm_psr_enable(struct dc_stream_state *stream);
+bool amdgpu_dm_link_setup_psr(struct dc_stream_state *stream);
+bool amdgpu_dm_psr_disable(struct dc_stream_state *stream);
+bool amdgpu_dm_psr_disable_all(struct amdgpu_display_manager *dm);
+
+#endif /* AMDGPU_DM_AMDGPU_DM_PSR_H_ */
--
2.25.1
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