Changes done:
- Added identifier for Mipi transcoder A and C.
- Added power domain identifier for newly added mipi trancoder.
- Initialized transcoder for mipi during compute config.
v1: Initial RFC version.
v2: Rebased on tot.
Cc: Jani Nikula <jani.nikula@xxxxxxxxx>
Signed-off-by: Animesh Manna <animesh.manna@xxxxxxxxx>
---
drivers/gpu/drm/i915/i915_drv.h | 4 ++++
drivers/gpu/drm/i915/intel_dsi.c | 8 ++++++++
drivers/gpu/drm/i915/intel_runtime_pm.c | 6 ++++++
3 files changed, 18 insertions(+)
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 65a2cd0..c484df8 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -122,6 +122,8 @@ enum transcoder {
TRANSCODER_B,
TRANSCODER_C,
TRANSCODER_EDP,
+ TRANSCODER_MIPI_A,
+ TRANSCODER_MIPI_C,
I915_MAX_TRANSCODERS
};
#define transcoder_name(t) ((t) + 'A')
@@ -176,6 +178,8 @@ enum intel_display_power_domain {
POWER_DOMAIN_TRANSCODER_B,
POWER_DOMAIN_TRANSCODER_C,
POWER_DOMAIN_TRANSCODER_EDP,
+ POWER_DOMAIN_TRANSCODER_MIPI_A,
+ POWER_DOMAIN_TRANSCODER_MIPI_C,
POWER_DOMAIN_PORT_DDI_A_LANES,
POWER_DOMAIN_PORT_DDI_B_LANES,
POWER_DOMAIN_PORT_DDI_C_LANES,
diff --git a/drivers/gpu/drm/i915/intel_dsi.c b/drivers/gpu/drm/i915/intel_dsi.c
index 91cef35..4f2b513 100644
--- a/drivers/gpu/drm/i915/intel_dsi.c
+++ b/drivers/gpu/drm/i915/intel_dsi.c
@@ -273,6 +273,7 @@ static bool intel_dsi_compute_config(struct intel_encoder *encoder,
struct intel_connector *intel_connector = intel_dsi->attached_connector;
struct drm_display_mode *fixed_mode = intel_connector->panel.fixed_mode;
struct drm_display_mode *adjusted_mode = &pipe_config->base.adjusted_mode;
+ struct drm_device *dev = intel_connector->base.dev;
DRM_DEBUG_KMS("\n");
@@ -284,6 +285,13 @@ static bool intel_dsi_compute_config(struct intel_encoder *encoder,
/* DSI uses short packets for sync events, so clear mode flags for DSI */
adjusted_mode->flags = 0;
+ if (IS_BROXTON(dev)) {
+ if (intel_dsi->ports & (1 << PORT_A))
+ pipe_config->cpu_transcoder = TRANSCODER_MIPI_A;
+ else
+ pipe_config->cpu_transcoder = TRANSCODER_MIPI_C;
+ }
+
return true;
}
diff --git a/drivers/gpu/drm/i915/intel_runtime_pm.c b/drivers/gpu/drm/i915/intel_runtime_pm.c
index bbca527..611dc1e 100644
--- a/drivers/gpu/drm/i915/intel_runtime_pm.c
+++ b/drivers/gpu/drm/i915/intel_runtime_pm.c
@@ -87,6 +87,10 @@ intel_display_power_domain_str(enum intel_display_power_domain domain)
return "TRANSCODER_B";
case POWER_DOMAIN_TRANSCODER_C:
return "TRANSCODER_C";
+ case POWER_DOMAIN_TRANSCODER_MIPI_A:
+ return "TRANSCODER_MIPI_A";
+ case POWER_DOMAIN_TRANSCODER_MIPI_C:
+ return "TRANSCODER_MIPI_C";
case POWER_DOMAIN_TRANSCODER_EDP:
return "TRANSCODER_EDP";
case POWER_DOMAIN_PORT_DDI_A_LANES:
@@ -403,6 +407,8 @@ static void hsw_set_power_well(struct drm_i915_private *dev_priv,
BXT_DISPLAY_POWERWELL_2_POWER_DOMAINS | \
BIT(POWER_DOMAIN_PIPE_A) | \
BIT(POWER_DOMAIN_TRANSCODER_EDP) | \
+ BIT(POWER_DOMAIN_TRANSCODER_MIPI_A) | \
+ BIT(POWER_DOMAIN_TRANSCODER_MIPI_C) | \
BIT(POWER_DOMAIN_PIPE_A_PANEL_FITTER) | \
BIT(POWER_DOMAIN_PORT_DDI_A_LANES) | \
BIT(POWER_DOMAIN_AUX_A) | \
--
2.0.2
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