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path: root/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
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Diffstat (limited to 'drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c')
-rw-r--r--drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c132
1 files changed, 128 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
index 8cd646eef096..11459fb09a37 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
@@ -556,7 +556,7 @@ static ssize_t dp_phy_test_pattern_debugfs_write(struct file *f, const char __us
bool disable_hpd = false;
bool valid_test_pattern = false;
uint8_t param_nums = 0;
- /* init with defalut 80bit custom pattern */
+ /* init with default 80bit custom pattern */
uint8_t custom_pattern[10] = {
0x1f, 0x7c, 0xf0, 0xc1, 0x07,
0x1f, 0x7c, 0xf0, 0xc1, 0x07
@@ -1253,6 +1253,10 @@ static ssize_t dp_dsc_clock_en_write(struct file *f, const char __user *buf,
size_t size, loff_t *pos)
{
struct amdgpu_dm_connector *aconnector = file_inode(f)->i_private;
+ struct drm_connector *connector = &aconnector->base;
+ struct drm_device *dev = connector->dev;
+ struct drm_crtc *crtc = NULL;
+ struct dm_crtc_state *dm_crtc_state = NULL;
struct pipe_ctx *pipe_ctx;
int i;
char *wr_buf = NULL;
@@ -1295,6 +1299,25 @@ static ssize_t dp_dsc_clock_en_write(struct file *f, const char __user *buf,
if (!pipe_ctx || !pipe_ctx->stream)
goto done;
+ // Get CRTC state
+ mutex_lock(&dev->mode_config.mutex);
+ drm_modeset_lock(&dev->mode_config.connection_mutex, NULL);
+
+ if (connector->state == NULL)
+ goto unlock;
+
+ crtc = connector->state->crtc;
+ if (crtc == NULL)
+ goto unlock;
+
+ drm_modeset_lock(&crtc->mutex, NULL);
+ if (crtc->state == NULL)
+ goto unlock;
+
+ dm_crtc_state = to_dm_crtc_state(crtc->state);
+ if (dm_crtc_state->stream == NULL)
+ goto unlock;
+
if (param[0] == 1)
aconnector->dsc_settings.dsc_force_enable = DSC_CLK_FORCE_ENABLE;
else if (param[0] == 2)
@@ -1302,6 +1325,14 @@ static ssize_t dp_dsc_clock_en_write(struct file *f, const char __user *buf,
else
aconnector->dsc_settings.dsc_force_enable = DSC_CLK_FORCE_DEFAULT;
+ dm_crtc_state->dsc_force_changed = true;
+
+unlock:
+ if (crtc)
+ drm_modeset_unlock(&crtc->mutex);
+ drm_modeset_unlock(&dev->mode_config.connection_mutex);
+ mutex_unlock(&dev->mode_config.mutex);
+
done:
kfree(wr_buf);
return size;
@@ -1408,6 +1439,10 @@ static ssize_t dp_dsc_slice_width_write(struct file *f, const char __user *buf,
{
struct amdgpu_dm_connector *aconnector = file_inode(f)->i_private;
struct pipe_ctx *pipe_ctx;
+ struct drm_connector *connector = &aconnector->base;
+ struct drm_device *dev = connector->dev;
+ struct drm_crtc *crtc = NULL;
+ struct dm_crtc_state *dm_crtc_state = NULL;
int i;
char *wr_buf = NULL;
uint32_t wr_buf_size = 42;
@@ -1449,6 +1484,25 @@ static ssize_t dp_dsc_slice_width_write(struct file *f, const char __user *buf,
if (!pipe_ctx || !pipe_ctx->stream)
goto done;
+ // Safely get CRTC state
+ mutex_lock(&dev->mode_config.mutex);
+ drm_modeset_lock(&dev->mode_config.connection_mutex, NULL);
+
+ if (connector->state == NULL)
+ goto unlock;
+
+ crtc = connector->state->crtc;
+ if (crtc == NULL)
+ goto unlock;
+
+ drm_modeset_lock(&crtc->mutex, NULL);
+ if (crtc->state == NULL)
+ goto unlock;
+
+ dm_crtc_state = to_dm_crtc_state(crtc->state);
+ if (dm_crtc_state->stream == NULL)
+ goto unlock;
+
if (param[0] > 0)
aconnector->dsc_settings.dsc_num_slices_h = DIV_ROUND_UP(
pipe_ctx->stream->timing.h_addressable,
@@ -1456,6 +1510,14 @@ static ssize_t dp_dsc_slice_width_write(struct file *f, const char __user *buf,
else
aconnector->dsc_settings.dsc_num_slices_h = 0;
+ dm_crtc_state->dsc_force_changed = true;
+
+unlock:
+ if (crtc)
+ drm_modeset_unlock(&crtc->mutex);
+ drm_modeset_unlock(&dev->mode_config.connection_mutex);
+ mutex_unlock(&dev->mode_config.mutex);
+
done:
kfree(wr_buf);
return size;
@@ -1561,6 +1623,10 @@ static ssize_t dp_dsc_slice_height_write(struct file *f, const char __user *buf,
size_t size, loff_t *pos)
{
struct amdgpu_dm_connector *aconnector = file_inode(f)->i_private;
+ struct drm_connector *connector = &aconnector->base;
+ struct drm_device *dev = connector->dev;
+ struct drm_crtc *crtc = NULL;
+ struct dm_crtc_state *dm_crtc_state = NULL;
struct pipe_ctx *pipe_ctx;
int i;
char *wr_buf = NULL;
@@ -1603,6 +1669,25 @@ static ssize_t dp_dsc_slice_height_write(struct file *f, const char __user *buf,
if (!pipe_ctx || !pipe_ctx->stream)
goto done;
+ // Get CRTC state
+ mutex_lock(&dev->mode_config.mutex);
+ drm_modeset_lock(&dev->mode_config.connection_mutex, NULL);
+
+ if (connector->state == NULL)
+ goto unlock;
+
+ crtc = connector->state->crtc;
+ if (crtc == NULL)
+ goto unlock;
+
+ drm_modeset_lock(&crtc->mutex, NULL);
+ if (crtc->state == NULL)
+ goto unlock;
+
+ dm_crtc_state = to_dm_crtc_state(crtc->state);
+ if (dm_crtc_state->stream == NULL)
+ goto unlock;
+
if (param[0] > 0)
aconnector->dsc_settings.dsc_num_slices_v = DIV_ROUND_UP(
pipe_ctx->stream->timing.v_addressable,
@@ -1610,6 +1695,14 @@ static ssize_t dp_dsc_slice_height_write(struct file *f, const char __user *buf,
else
aconnector->dsc_settings.dsc_num_slices_v = 0;
+ dm_crtc_state->dsc_force_changed = true;
+
+unlock:
+ if (crtc)
+ drm_modeset_unlock(&crtc->mutex);
+ drm_modeset_unlock(&dev->mode_config.connection_mutex);
+ mutex_unlock(&dev->mode_config.mutex);
+
done:
kfree(wr_buf);
return size;
@@ -1708,6 +1801,10 @@ static ssize_t dp_dsc_bits_per_pixel_write(struct file *f, const char __user *bu
size_t size, loff_t *pos)
{
struct amdgpu_dm_connector *aconnector = file_inode(f)->i_private;
+ struct drm_connector *connector = &aconnector->base;
+ struct drm_device *dev = connector->dev;
+ struct drm_crtc *crtc = NULL;
+ struct dm_crtc_state *dm_crtc_state = NULL;
struct pipe_ctx *pipe_ctx;
int i;
char *wr_buf = NULL;
@@ -1750,8 +1847,35 @@ static ssize_t dp_dsc_bits_per_pixel_write(struct file *f, const char __user *bu
if (!pipe_ctx || !pipe_ctx->stream)
goto done;
+ // Get CRTC state
+ mutex_lock(&dev->mode_config.mutex);
+ drm_modeset_lock(&dev->mode_config.connection_mutex, NULL);
+
+ if (connector->state == NULL)
+ goto unlock;
+
+ crtc = connector->state->crtc;
+ if (crtc == NULL)
+ goto unlock;
+
+ drm_modeset_lock(&crtc->mutex, NULL);
+ if (crtc->state == NULL)
+ goto unlock;
+
+ dm_crtc_state = to_dm_crtc_state(crtc->state);
+ if (dm_crtc_state->stream == NULL)
+ goto unlock;
+
aconnector->dsc_settings.dsc_bits_per_pixel = param[0];
+ dm_crtc_state->dsc_force_changed = true;
+
+unlock:
+ if (crtc)
+ drm_modeset_unlock(&crtc->mutex);
+ drm_modeset_unlock(&dev->mode_config.connection_mutex);
+ mutex_unlock(&dev->mode_config.mutex);
+
done:
kfree(wr_buf);
return size;
@@ -2209,11 +2333,11 @@ static int psr_get(void *data, u64 *val)
{
struct amdgpu_dm_connector *connector = data;
struct dc_link *link = connector->dc_link;
- uint32_t psr_state = 0;
+ enum dc_psr_state state = PSR_STATE0;
- dc_link_get_psr_state(link, &psr_state);
+ dc_link_get_psr_state(link, &state);
- *val = psr_state;
+ *val = state;
return 0;
}
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