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path: root/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
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Diffstat (limited to 'drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c')
-rw-r--r--drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c352
1 files changed, 197 insertions, 155 deletions
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 519080e9a233..3e1fd1e7d09f 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -60,7 +60,6 @@
#include <linux/module.h>
#include <linux/moduleparam.h>
-#include <linux/version.h>
#include <linux/types.h>
#include <linux/pm_runtime.h>
#include <linux/pci.h>
@@ -938,42 +937,49 @@ static void mmhub_read_system_context(struct amdgpu_device *adev, struct dc_phy_
}
#endif
+#if defined(CONFIG_DRM_AMD_DC_DCN)
+static void event_mall_stutter(struct work_struct *work)
+{
-#ifdef CONFIG_DEBUG_FS
-static int create_crtc_crc_properties(struct amdgpu_display_manager *dm)
+ struct vblank_workqueue *vblank_work = container_of(work, struct vblank_workqueue, mall_work);
+ struct amdgpu_display_manager *dm = vblank_work->dm;
+
+ mutex_lock(&dm->dc_lock);
+
+ if (vblank_work->enable)
+ dm->active_vblank_irq_count++;
+ else
+ dm->active_vblank_irq_count--;
+
+
+ dc_allow_idle_optimizations(
+ dm->dc, dm->active_vblank_irq_count == 0 ? true : false);
+
+ DRM_DEBUG_DRIVER("Allow idle optimizations (MALL): %d\n", dm->active_vblank_irq_count == 0);
+
+
+ mutex_unlock(&dm->dc_lock);
+}
+
+static struct vblank_workqueue *vblank_create_workqueue(struct amdgpu_device *adev, struct dc *dc)
{
- dm->crc_win_x_start_property =
- drm_property_create_range(adev_to_drm(dm->adev),
- DRM_MODE_PROP_ATOMIC,
- "AMD_CRC_WIN_X_START", 0, U16_MAX);
- if (!dm->crc_win_x_start_property)
- return -ENOMEM;
- dm->crc_win_y_start_property =
- drm_property_create_range(adev_to_drm(dm->adev),
- DRM_MODE_PROP_ATOMIC,
- "AMD_CRC_WIN_Y_START", 0, U16_MAX);
- if (!dm->crc_win_y_start_property)
- return -ENOMEM;
+ int max_caps = dc->caps.max_links;
+ struct vblank_workqueue *vblank_work;
+ int i = 0;
- dm->crc_win_x_end_property =
- drm_property_create_range(adev_to_drm(dm->adev),
- DRM_MODE_PROP_ATOMIC,
- "AMD_CRC_WIN_X_END", 0, U16_MAX);
- if (!dm->crc_win_x_end_property)
- return -ENOMEM;
+ vblank_work = kcalloc(max_caps, sizeof(*vblank_work), GFP_KERNEL);
+ if (ZERO_OR_NULL_PTR(vblank_work)) {
+ kfree(vblank_work);
+ return NULL;
+ }
- dm->crc_win_y_end_property =
- drm_property_create_range(adev_to_drm(dm->adev),
- DRM_MODE_PROP_ATOMIC,
- "AMD_CRC_WIN_Y_END", 0, U16_MAX);
- if (!dm->crc_win_y_end_property)
- return -ENOMEM;
+ for (i = 0; i < max_caps; i++)
+ INIT_WORK(&vblank_work[i].mall_work, event_mall_stutter);
- return 0;
+ return vblank_work;
}
#endif
-
static int amdgpu_dm_init(struct amdgpu_device *adev)
{
struct dc_init_data init_data;
@@ -993,6 +999,9 @@ static int amdgpu_dm_init(struct amdgpu_device *adev)
mutex_init(&adev->dm.dc_lock);
mutex_init(&adev->dm.audio_lock);
+#if defined(CONFIG_DRM_AMD_DC_DCN)
+ spin_lock_init(&adev->dm.vblank_lock);
+#endif
if(amdgpu_dm_irq_init(adev)) {
DRM_ERROR("amdgpu: failed to initialize DM IRQ support.\n");
@@ -1051,8 +1060,6 @@ static int amdgpu_dm_init(struct amdgpu_device *adev)
init_data.flags.power_down_display_on_boot = true;
- init_data.soc_bounding_box = adev->dm.soc_bounding_box;
-
/* Display Core create. */
adev->dm.dc = dc_create(&init_data);
@@ -1109,6 +1116,17 @@ static int amdgpu_dm_init(struct amdgpu_device *adev)
amdgpu_dm_init_color_mod();
+#if defined(CONFIG_DRM_AMD_DC_DCN)
+ if (adev->dm.dc->caps.max_links > 0) {
+ adev->dm.vblank_workqueue = vblank_create_workqueue(adev, adev->dm.dc);
+
+ if (!adev->dm.vblank_workqueue)
+ DRM_ERROR("amdgpu: failed to initialize vblank_workqueue.\n");
+ else
+ DRM_DEBUG_DRIVER("amdgpu: vblank_workqueue init done %p.\n", adev->dm.vblank_workqueue);
+ }
+#endif
+
#ifdef CONFIG_DRM_AMD_DC_HDCP
if (adev->dm.dc->caps.max_links > 0 && adev->asic_type >= CHIP_RAVEN) {
adev->dm.hdcp_workqueue = hdcp_create_workqueue(adev, &init_params.cp_psp, adev->dm.dc);
@@ -1121,10 +1139,6 @@ static int amdgpu_dm_init(struct amdgpu_device *adev)
dc_init_callbacks(adev->dm.dc, &init_params);
}
#endif
-#ifdef CONFIG_DEBUG_FS
- if (create_crtc_crc_properties(&adev->dm))
- DRM_ERROR("amdgpu: failed to create crc property.\n");
-#endif
if (amdgpu_dm_initialize_drm_device(adev)) {
DRM_ERROR(
"amdgpu: failed to initialize sw for display support.\n");
@@ -1170,7 +1184,7 @@ static void amdgpu_dm_fini(struct amdgpu_device *adev)
#ifdef CONFIG_DRM_AMD_DC_HDCP
if (adev->dm.hdcp_workqueue) {
- hdcp_destroy(adev->dm.hdcp_workqueue);
+ hdcp_destroy(&adev->dev->kobj, adev->dm.hdcp_workqueue);
adev->dm.hdcp_workqueue = NULL;
}
@@ -1817,6 +1831,11 @@ static int dm_suspend(void *handle)
if (amdgpu_in_reset(adev)) {
mutex_lock(&dm->dc_lock);
+
+#if defined(CONFIG_DRM_AMD_DC_DCN)
+ dc_allow_idle_optimizations(adev->dm.dc, false);
+#endif
+
dm->cached_dc_state = dc_copy_state(dm->dc->current_state);
dm_gpureset_toggle_interrupts(adev, dm->cached_dc_state, false);
@@ -1872,8 +1891,8 @@ static void emulated_link_detect(struct dc_link *link)
link->type = dc_connection_none;
prev_sink = link->local_sink;
- if (prev_sink != NULL)
- dc_sink_retain(prev_sink);
+ if (prev_sink)
+ dc_sink_release(prev_sink);
switch (link->connector_signal) {
case SIGNAL_TYPE_HDMI_TYPE_A: {
@@ -2369,8 +2388,10 @@ void amdgpu_dm_update_connector_after_detect(
* TODO: check if we still need the S3 mode update workaround.
* If yes, put it here.
*/
- if (aconnector->dc_sink)
+ if (aconnector->dc_sink) {
amdgpu_dm_update_freesync_caps(connector, NULL);
+ dc_sink_release(aconnector->dc_sink);
+ }
aconnector->dc_sink = sink;
dc_sink_retain(aconnector->dc_sink);
@@ -2386,9 +2407,6 @@ void amdgpu_dm_update_connector_after_detect(
drm_connector_update_edid_property(connector,
aconnector->edid);
- aconnector->num_modes = drm_add_edid_modes(connector, aconnector->edid);
- drm_connector_list_update(connector);
-
if (aconnector->dc_link->aux_mode)
drm_dp_cec_set_edid(&aconnector->dm_dp_aux.aux,
aconnector->edid);
@@ -3760,10 +3778,53 @@ static const struct drm_encoder_funcs amdgpu_dm_encoder_funcs = {
};
+static void get_min_max_dc_plane_scaling(struct drm_device *dev,
+ struct drm_framebuffer *fb,
+ int *min_downscale, int *max_upscale)
+{
+ struct amdgpu_device *adev = drm_to_adev(dev);
+ struct dc *dc = adev->dm.dc;
+ /* Caps for all supported planes are the same on DCE and DCN 1 - 3 */
+ struct dc_plane_cap *plane_cap = &dc->caps.planes[0];
+
+ switch (fb->format->format) {
+ case DRM_FORMAT_P010:
+ case DRM_FORMAT_NV12:
+ case DRM_FORMAT_NV21:
+ *max_upscale = plane_cap->max_upscale_factor.nv12;
+ *min_downscale = plane_cap->max_downscale_factor.nv12;
+ break;
+
+ case DRM_FORMAT_XRGB16161616F:
+ case DRM_FORMAT_ARGB16161616F:
+ case DRM_FORMAT_XBGR16161616F:
+ case DRM_FORMAT_ABGR16161616F:
+ *max_upscale = plane_cap->max_upscale_factor.fp16;
+ *min_downscale = plane_cap->max_downscale_factor.fp16;
+ break;
+
+ default:
+ *max_upscale = plane_cap->max_upscale_factor.argb8888;
+ *min_downscale = plane_cap->max_downscale_factor.argb8888;
+ break;
+ }
+
+ /*
+ * A factor of 1 in the plane_cap means to not allow scaling, ie. use a
+ * scaling factor of 1.0 == 1000 units.
+ */
+ if (*max_upscale == 1)
+ *max_upscale = 1000;
+
+ if (*min_downscale == 1)
+ *min_downscale = 1000;
+}
+
+
static int fill_dc_scaling_info(const struct drm_plane_state *state,
struct dc_scaling_info *scaling_info)
{
- int scale_w, scale_h;
+ int scale_w, scale_h, min_downscale, max_upscale;
memset(scaling_info, 0, sizeof(*scaling_info));
@@ -3795,17 +3856,25 @@ static int fill_dc_scaling_info(const struct drm_plane_state *state,
/* DRM doesn't specify clipping on destination output. */
scaling_info->clip_rect = scaling_info->dst_rect;
- /* TODO: Validate scaling per-format with DC plane caps */
+ /* Validate scaling per-format with DC plane caps */
+ if (state->plane && state->plane->dev && state->fb) {
+ get_min_max_dc_plane_scaling(state->plane->dev, state->fb,
+ &min_downscale, &max_upscale);
+ } else {
+ min_downscale = 250;
+ max_upscale = 16000;
+ }
+
scale_w = scaling_info->dst_rect.width * 1000 /
scaling_info->src_rect.width;
- if (scale_w < 250 || scale_w > 16000)
+ if (scale_w < min_downscale || scale_w > max_upscale)
return -EINVAL;
scale_h = scaling_info->dst_rect.height * 1000 /
scaling_info->src_rect.height;
- if (scale_h < 250 || scale_h > 16000)
+ if (scale_h < min_downscale || scale_h > max_upscale)
return -EINVAL;
/*
@@ -5334,64 +5403,12 @@ dm_crtc_duplicate_state(struct drm_crtc *crtc)
state->crc_src = cur->crc_src;
state->cm_has_degamma = cur->cm_has_degamma;
state->cm_is_degamma_srgb = cur->cm_is_degamma_srgb;
-#ifdef CONFIG_DEBUG_FS
- state->crc_window = cur->crc_window;
-#endif
+
/* TODO Duplicate dc_stream after objects are stream object is flattened */
return &state->base;
}
-#ifdef CONFIG_DEBUG_FS
-static int amdgpu_dm_crtc_atomic_set_property(struct drm_crtc *crtc,
- struct drm_crtc_state *crtc_state,
- struct drm_property *property,
- uint64_t val)
-{
- struct drm_device *dev = crtc->dev;
- struct amdgpu_device *adev = drm_to_adev(dev);
- struct dm_crtc_state *dm_new_state =
- to_dm_crtc_state(crtc_state);
-
- if (property == adev->dm.crc_win_x_start_property)
- dm_new_state->crc_window.x_start = val;
- else if (property == adev->dm.crc_win_y_start_property)
- dm_new_state->crc_window.y_start = val;
- else if (property == adev->dm.crc_win_x_end_property)
- dm_new_state->crc_window.x_end = val;
- else if (property == adev->dm.crc_win_y_end_property)
- dm_new_state->crc_window.y_end = val;
- else
- return -EINVAL;
-
- return 0;
-}
-
-static int amdgpu_dm_crtc_atomic_get_property(struct drm_crtc *crtc,
- const struct drm_crtc_state *state,
- struct drm_property *property,
- uint64_t *val)
-{
- struct drm_device *dev = crtc->dev;
- struct amdgpu_device *adev = drm_to_adev(dev);
- struct dm_crtc_state *dm_state =
- to_dm_crtc_state(state);
-
- if (property == adev->dm.crc_win_x_start_property)
- *val = dm_state->crc_window.x_start;
- else if (property == adev->dm.crc_win_y_start_property)
- *val = dm_state->crc_window.y_start;
- else if (property == adev->dm.crc_win_x_end_property)
- *val = dm_state->crc_window.x_end;
- else if (property == adev->dm.crc_win_y_end_property)
- *val = dm_state->crc_window.y_end;
- else
- return -EINVAL;
-
- return 0;
-}
-#endif
-
static inline int dm_set_vupdate_irq(struct drm_crtc *crtc, bool enable)
{
enum dc_irq_source irq_source;
@@ -5414,6 +5431,10 @@ static inline int dm_set_vblank(struct drm_crtc *crtc, bool enable)
struct amdgpu_crtc *acrtc = to_amdgpu_crtc(crtc);
struct amdgpu_device *adev = drm_to_adev(crtc->dev);
struct dm_crtc_state *acrtc_state = to_dm_crtc_state(crtc->state);
+#if defined(CONFIG_DRM_AMD_DC_DCN)
+ struct amdgpu_display_manager *dm = &adev->dm;
+ unsigned long flags;
+#endif
int rc = 0;
if (enable) {
@@ -5429,7 +5450,23 @@ static inline int dm_set_vblank(struct drm_crtc *crtc, bool enable)
return rc;
irq_source = IRQ_TYPE_VBLANK + acrtc->otg_inst;
- return dc_interrupt_set(adev->dm.dc, irq_source, enable) ? 0 : -EBUSY;
+
+ if (!dc_interrupt_set(adev->dm.dc, irq_source, enable))
+ return -EBUSY;
+
+ if (amdgpu_in_reset(adev))
+ return 0;
+
+#if defined(CONFIG_DRM_AMD_DC_DCN)
+ spin_lock_irqsave(&dm->vblank_lock, flags);
+ dm->vblank_workqueue->dm = dm;
+ dm->vblank_workqueue->otg_inst = acrtc->otg_inst;
+ dm->vblank_workqueue->enable = enable;
+ spin_unlock_irqrestore(&dm->vblank_lock, flags);
+ schedule_work(&dm->vblank_workqueue->mall_work);
+#endif
+
+ return 0;
}
static int dm_enable_vblank(struct drm_crtc *crtc)
@@ -5446,7 +5483,6 @@ static void dm_disable_vblank(struct drm_crtc *crtc)
static const struct drm_crtc_funcs amdgpu_dm_crtc_funcs = {
.reset = dm_crtc_reset_state,
.destroy = amdgpu_dm_crtc_destroy,
- .gamma_set = drm_atomic_helper_legacy_gamma_set,
.set_config = drm_atomic_helper_set_config,
.page_flip = drm_atomic_helper_page_flip,
.atomic_duplicate_state = dm_crtc_duplicate_state,
@@ -5458,10 +5494,6 @@ static const struct drm_crtc_funcs amdgpu_dm_crtc_funcs = {
.enable_vblank = dm_enable_vblank,
.disable_vblank = dm_disable_vblank,
.get_vblank_timestamp = drm_crtc_vblank_helper_get_vblank_timestamp,
-#ifdef CONFIG_DEBUG_FS
- .atomic_set_property = amdgpu_dm_crtc_atomic_set_property,
- .atomic_get_property = amdgpu_dm_crtc_atomic_get_property,
-#endif
};
static enum drm_connector_status
@@ -6425,12 +6457,51 @@ static void dm_plane_helper_cleanup_fb(struct drm_plane *plane,
static int dm_plane_helper_check_state(struct drm_plane_state *state,
struct drm_crtc_state *new_crtc_state)
{
- int max_downscale = 0;
- int max_upscale = INT_MAX;
+ struct drm_framebuffer *fb = state->fb;
+ int min_downscale, max_upscale;
+ int min_scale = 0;
+ int max_scale = INT_MAX;
+
+ /* Plane enabled? Validate viewport and get scaling factors from plane caps. */
+ if (fb && state->crtc) {
+ /* Validate viewport to cover the case when only the position changes */
+ if (state->plane->type != DRM_PLANE_TYPE_CURSOR) {
+ int viewport_width = state->crtc_w;
+ int viewport_height = state->crtc_h;
+
+ if (state->crtc_x < 0)
+ viewport_width += state->crtc_x;
+ else if (state->crtc_x + state->crtc_w > new_crtc_state->mode.crtc_hdisplay)
+ viewport_width = new_crtc_state->mode.crtc_hdisplay - state->crtc_x;
+
+ if (state->crtc_y < 0)
+ viewport_height += state->crtc_y;
+ else if (state->crtc_y + state->crtc_h > new_crtc_state->mode.crtc_vdisplay)
+ viewport_height = new_crtc_state->mode.crtc_vdisplay - state->crtc_y;
+
+ /* If completely outside of screen, viewport_width and/or viewport_height will be negative,
+ * which is still OK to satisfy the condition below, thereby also covering these cases
+ * (when plane is completely outside of screen).
+ * x2 for width is because of pipe-split.
+ */
+ if (viewport_width < MIN_VIEWPORT_SIZE*2 || viewport_height < MIN_VIEWPORT_SIZE)
+ return -EINVAL;
+ }
+
+ /* Get min/max allowed scaling factors from plane caps. */
+ get_min_max_dc_plane_scaling(state->crtc->dev, fb,
+ &min_downscale, &max_upscale);
+ /*
+ * Convert to drm convention: 16.16 fixed point, instead of dc's
+ * 1.0 == 1000. Also drm scaling is src/dst instead of dc's
+ * dst/src, so min_scale = 1.0 / max_upscale, etc.
+ */
+ min_scale = (1000 << 16) / max_upscale;
+ max_scale = (1000 << 16) / min_downscale;
+ }
- /* TODO: These should be checked against DC plane caps */
return drm_atomic_helper_check_plane_state(
- state, new_crtc_state, max_downscale, max_upscale, true, true);
+ state, new_crtc_state, min_scale, max_scale, true, true);
}
static int dm_plane_atomic_check(struct drm_plane *plane,
@@ -6663,25 +6734,6 @@ static int amdgpu_dm_plane_init(struct amdgpu_display_manager *dm,
return 0;
}
-#ifdef CONFIG_DEBUG_FS
-static void attach_crtc_crc_properties(struct amdgpu_display_manager *dm,
- struct amdgpu_crtc *acrtc)
-{
- drm_object_attach_property(&acrtc->base.base,
- dm->crc_win_x_start_property,
- 0);
- drm_object_attach_property(&acrtc->base.base,
- dm->crc_win_y_start_property,
- 0);
- drm_object_attach_property(&acrtc->base.base,
- dm->crc_win_x_end_property,
- 0);
- drm_object_attach_property(&acrtc->base.base,
- dm->crc_win_y_end_property,
- 0);
-}
-#endif
-
static int amdgpu_dm_crtc_init(struct amdgpu_display_manager *dm,
struct drm_plane *plane,
uint32_t crtc_index)
@@ -6729,9 +6781,7 @@ static int amdgpu_dm_crtc_init(struct amdgpu_display_manager *dm,
drm_crtc_enable_color_mgmt(&acrtc->base, MAX_COLOR_LUT_ENTRIES,
true, MAX_COLOR_LUT_ENTRIES);
drm_mode_crtc_set_gamma_size(&acrtc->base, MAX_COLOR_LEGACY_LUT_ENTRIES);
-#ifdef CONFIG_DEBUG_FS
- attach_crtc_crc_properties(dm, acrtc);
-#endif
+
return 0;
fail:
@@ -8368,7 +8418,6 @@ static void amdgpu_dm_atomic_commit_tail(struct drm_atomic_state *state)
*/
for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) {
struct amdgpu_crtc *acrtc = to_amdgpu_crtc(crtc);
- bool configure_crc = false;
dm_new_crtc_state = to_dm_crtc_state(new_crtc_state);
@@ -8378,30 +8427,21 @@ static void amdgpu_dm_atomic_commit_tail(struct drm_atomic_state *state)
dc_stream_retain(dm_new_crtc_state->stream);
acrtc->dm_irq_params.stream = dm_new_crtc_state->stream;
manage_dm_interrupts(adev, acrtc, true);
- }
+
#ifdef CONFIG_DEBUG_FS
- if (new_crtc_state->active &&
- amdgpu_dm_is_valid_crc_source(dm_new_crtc_state->crc_src)) {
/**
* Frontend may have changed so reapply the CRC capture
* settings for the stream.
*/
dm_new_crtc_state = to_dm_crtc_state(new_crtc_state);
- dm_old_crtc_state = to_dm_crtc_state(old_crtc_state);
- if (amdgpu_dm_crc_window_is_default(dm_new_crtc_state)) {
- if (!old_crtc_state->active || drm_atomic_crtc_needs_modeset(new_crtc_state))
- configure_crc = true;
- } else {
- if (amdgpu_dm_crc_window_changed(dm_new_crtc_state, dm_old_crtc_state))
- configure_crc = true;
- }
-
- if (configure_crc)
+ if (amdgpu_dm_is_valid_crc_source(dm_new_crtc_state->crc_src)) {
amdgpu_dm_crtc_configure_crc_source(
- crtc, dm_new_crtc_state, dm_new_crtc_state->crc_src);
- }
+ crtc, dm_new_crtc_state,
+ dm_new_crtc_state->crc_src);
+ }
#endif
+ }
}
for_each_new_crtc_in_state(state, crtc, new_crtc_state, j)
@@ -8486,14 +8526,14 @@ static int dm_force_atomic_commit(struct drm_connector *connector)
ret = PTR_ERR_OR_ZERO(conn_state);
if (ret)
- goto err;
+ goto out;
/* Attach crtc to drm_atomic_state*/
crtc_state = drm_atomic_get_crtc_state(state, &disconnected_acrtc->base);
ret = PTR_ERR_OR_ZERO(crtc_state);
if (ret)
- goto err;
+ goto out;
/* force a restore */
crtc_state->mode_changed = true;
@@ -8503,17 +8543,15 @@ static int dm_force_atomic_commit(struct drm_connector *connector)
ret = PTR_ERR_OR_ZERO(plane_state);
if (ret)
- goto err;
-
+ goto out;
/* Call commit internally with the state we just constructed */
ret = drm_atomic_commit(state);
- if (!ret)
- return 0;
-err:
- DRM_ERROR("Restoring old state failed with %i\n", ret);
+out:
drm_atomic_state_put(state);
+ if (ret)
+ DRM_ERROR("Restoring old state failed with %i\n", ret);
return ret;
}
@@ -9720,6 +9758,10 @@ void amdgpu_dm_update_freesync_caps(struct drm_connector *connector,
amdgpu_dm_connector->max_vfreq = range->max_vfreq;
amdgpu_dm_connector->pixel_clock_mhz =
range->pixel_clock_mhz * 10;
+
+ connector->display_info.monitor_range.min_vfreq = range->min_vfreq;
+ connector->display_info.monitor_range.max_vfreq = range->max_vfreq;
+
break;
}