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drm/i915: Introduce for_each_intel_dp()

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Add a convenience macro for iterating DP encoders.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180705164357.28512-2-ville.syrjala@linux.intel.com
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
This commit is contained in:
Ville Syrjälä 2018-07-05 19:43:50 +03:00
parent 0b100760e3
commit 14aa521c5e
3 changed files with 25 additions and 31 deletions
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4
drivers/gpu/drm/i915/intel_display.h
View File

@ -289,6 +289,10 @@ struct intel_link_m_n {
&(dev)->mode_config.encoder_list, \
base.head)
#define for_each_intel_dp(dev, intel_encoder) \
for_each_intel_encoder(dev, intel_encoder) \
for_each_if(intel_encoder_is_dp(intel_encoder))
#define for_each_intel_connector_iter(intel_connector, iter) \
while ((intel_connector = to_intel_connector(drm_connector_list_iter_next(iter))))

38
drivers/gpu/drm/i915/intel_dp.c
View File

@ -600,14 +600,8 @@ static enum pipe vlv_find_free_pps(struct drm_i915_private *dev_priv)
* We don't have power sequencer currently.
* Pick one that's not used by other ports.
*/
for_each_intel_encoder(&dev_priv->drm, encoder) {
struct intel_dp *intel_dp;
if (encoder->type != INTEL_OUTPUT_DP &&
encoder->type != INTEL_OUTPUT_EDP)
continue;
intel_dp = enc_to_intel_dp(&encoder->base);
for_each_intel_dp(&dev_priv->drm, encoder) {
struct intel_dp *intel_dp = enc_to_intel_dp(&encoder->base);
if (encoder->type == INTEL_OUTPUT_EDP) {
WARN_ON(intel_dp->active_pipe != INVALID_PIPE &&
@ -799,19 +793,8 @@ void intel_power_sequencer_reset(struct drm_i915_private *dev_priv)
* should use them always.
*/
for_each_intel_encoder(&dev_priv->drm, encoder) {
struct intel_dp *intel_dp;
if (encoder->type != INTEL_OUTPUT_DP &&
encoder->type != INTEL_OUTPUT_EDP &&
encoder->type != INTEL_OUTPUT_DDI)
continue;
intel_dp = enc_to_intel_dp(&encoder->base);
/* Skip pure DVI/HDMI DDI encoders */
if (!i915_mmio_reg_valid(intel_dp->output_reg))
continue;
for_each_intel_dp(&dev_priv->drm, encoder) {
struct intel_dp *intel_dp = enc_to_intel_dp(&encoder->base);
WARN_ON(intel_dp->active_pipe != INVALID_PIPE);
@ -3097,16 +3080,9 @@ static void vlv_steal_power_sequencer(struct drm_i915_private *dev_priv,
lockdep_assert_held(&dev_priv->pps_mutex);
for_each_intel_encoder(&dev_priv->drm, encoder) {
struct intel_dp *intel_dp;
enum port port;
if (encoder->type != INTEL_OUTPUT_DP &&
encoder->type != INTEL_OUTPUT_EDP)
continue;
intel_dp = enc_to_intel_dp(&encoder->base);
port = dp_to_dig_port(intel_dp)->base.port;
for_each_intel_dp(&dev_priv->drm, encoder) {
struct intel_dp *intel_dp = enc_to_intel_dp(&encoder->base);
enum port port = encoder->port;
WARN(intel_dp->active_pipe == pipe,
"stealing pipe %c power sequencer from active (e)DP port %c\n",

14
drivers/gpu/drm/i915/intel_drv.h
View File

@ -1275,6 +1275,20 @@ static inline struct intel_dp *enc_to_intel_dp(struct drm_encoder *encoder)
return &enc_to_dig_port(encoder)->dp;
}
static inline bool intel_encoder_is_dp(struct intel_encoder *encoder)
{
switch (encoder->type) {
case INTEL_OUTPUT_DP:
case INTEL_OUTPUT_EDP:
return true;
case INTEL_OUTPUT_DDI:
/* Skip pure HDMI/DVI DDI encoders */
return i915_mmio_reg_valid(enc_to_intel_dp(&encoder->base)->output_reg);
default:
return false;
}
}
static inline struct intel_digital_port *
dp_to_dig_port(struct intel_dp *intel_dp)
{