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path: root/drivers/gpu/drm/i915/intel_pipe_crc.c
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Diffstat (limited to 'drivers/gpu/drm/i915/intel_pipe_crc.c')
-rw-r--r--drivers/gpu/drm/i915/intel_pipe_crc.c24
1 files changed, 13 insertions, 11 deletions
diff --git a/drivers/gpu/drm/i915/intel_pipe_crc.c b/drivers/gpu/drm/i915/intel_pipe_crc.c
index bdabcfab8090..a8554dc4f196 100644
--- a/drivers/gpu/drm/i915/intel_pipe_crc.c
+++ b/drivers/gpu/drm/i915/intel_pipe_crc.c
@@ -44,7 +44,7 @@ static const char * const pipe_crc_sources[] = {
};
static int i8xx_pipe_crc_ctl_reg(enum intel_pipe_crc_source *source,
- uint32_t *val)
+ u32 *val)
{
if (*source == INTEL_PIPE_CRC_SOURCE_AUTO)
*source = INTEL_PIPE_CRC_SOURCE_PIPE;
@@ -120,7 +120,7 @@ static int i9xx_pipe_crc_auto_source(struct drm_i915_private *dev_priv,
static int vlv_pipe_crc_ctl_reg(struct drm_i915_private *dev_priv,
enum pipe pipe,
enum intel_pipe_crc_source *source,
- uint32_t *val)
+ u32 *val)
{
bool need_stable_symbols = false;
@@ -165,7 +165,7 @@ static int vlv_pipe_crc_ctl_reg(struct drm_i915_private *dev_priv,
* - DisplayPort scrambling: used for EMI reduction
*/
if (need_stable_symbols) {
- uint32_t tmp = I915_READ(PORT_DFT2_G4X);
+ u32 tmp = I915_READ(PORT_DFT2_G4X);
tmp |= DC_BALANCE_RESET_VLV;
switch (pipe) {
@@ -190,7 +190,7 @@ static int vlv_pipe_crc_ctl_reg(struct drm_i915_private *dev_priv,
static int i9xx_pipe_crc_ctl_reg(struct drm_i915_private *dev_priv,
enum pipe pipe,
enum intel_pipe_crc_source *source,
- uint32_t *val)
+ u32 *val)
{
bool need_stable_symbols = false;
@@ -244,7 +244,7 @@ static int i9xx_pipe_crc_ctl_reg(struct drm_i915_private *dev_priv,
* - DisplayPort scrambling: used for EMI reduction
*/
if (need_stable_symbols) {
- uint32_t tmp = I915_READ(PORT_DFT2_G4X);
+ u32 tmp = I915_READ(PORT_DFT2_G4X);
WARN_ON(!IS_G4X(dev_priv));
@@ -265,7 +265,7 @@ static int i9xx_pipe_crc_ctl_reg(struct drm_i915_private *dev_priv,
static void vlv_undo_pipe_scramble_reset(struct drm_i915_private *dev_priv,
enum pipe pipe)
{
- uint32_t tmp = I915_READ(PORT_DFT2_G4X);
+ u32 tmp = I915_READ(PORT_DFT2_G4X);
switch (pipe) {
case PIPE_A:
@@ -289,7 +289,7 @@ static void vlv_undo_pipe_scramble_reset(struct drm_i915_private *dev_priv,
static void g4x_undo_pipe_scramble_reset(struct drm_i915_private *dev_priv,
enum pipe pipe)
{
- uint32_t tmp = I915_READ(PORT_DFT2_G4X);
+ u32 tmp = I915_READ(PORT_DFT2_G4X);
if (pipe == PIPE_A)
tmp &= ~PIPE_A_SCRAMBLE_RESET;
@@ -304,7 +304,7 @@ static void g4x_undo_pipe_scramble_reset(struct drm_i915_private *dev_priv,
}
static int ilk_pipe_crc_ctl_reg(enum intel_pipe_crc_source *source,
- uint32_t *val)
+ u32 *val)
{
if (*source == INTEL_PIPE_CRC_SOURCE_AUTO)
*source = INTEL_PIPE_CRC_SOURCE_PIPE;
@@ -392,7 +392,7 @@ unlock:
static int ivb_pipe_crc_ctl_reg(struct drm_i915_private *dev_priv,
enum pipe pipe,
enum intel_pipe_crc_source *source,
- uint32_t *val,
+ u32 *val,
bool set_wa)
{
if (*source == INTEL_PIPE_CRC_SOURCE_AUTO)
@@ -589,6 +589,7 @@ int intel_crtc_set_crc_source(struct drm_crtc *crtc, const char *source_name)
struct intel_pipe_crc *pipe_crc = &dev_priv->pipe_crc[crtc->index];
enum intel_display_power_domain power_domain;
enum intel_pipe_crc_source source;
+ intel_wakeref_t wakeref;
u32 val = 0; /* shut up gcc */
int ret = 0;
@@ -598,7 +599,8 @@ int intel_crtc_set_crc_source(struct drm_crtc *crtc, const char *source_name)
}
power_domain = POWER_DOMAIN_PIPE(crtc->index);
- if (!intel_display_power_get_if_enabled(dev_priv, power_domain)) {
+ wakeref = intel_display_power_get_if_enabled(dev_priv, power_domain);
+ if (!wakeref) {
DRM_DEBUG_KMS("Trying to capture CRC while pipe is off\n");
return -EIO;
}
@@ -624,7 +626,7 @@ int intel_crtc_set_crc_source(struct drm_crtc *crtc, const char *source_name)
pipe_crc->skipped = 0;
out:
- intel_display_power_put(dev_priv, power_domain);
+ intel_display_power_put(dev_priv, power_domain, wakeref);
return ret;
}