[PATCH 06/12] drm/i915: Remove distinction between DDI 2 vs 4 lanes

Patrik Jakobsson
2015-11-09T15:48:57Z

We never make use of the distinction between 2 vs 4 lanes so combine
them into a per port domain instead. This saves us a few bits in the
power domain mask. Change suggested by Ville.

Signed-off-by: Patrik Jakobsson <patrik.jakobsson@linux.intel.com>
---
drivers/gpu/drm/i915/i915_debugfs.c | 28 +++++--------
drivers/gpu/drm/i915/i915_drv.h | 14 +++----
drivers/gpu/drm/i915/intel_display.c | 10 ++---
drivers/gpu/drm/i915/intel_runtime_pm.c | 71 ++++++++++++---------------------
4 files changed, 45 insertions(+), 78 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 40ec895..2fad0a9 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -2706,24 +2706,16 @@ static const char *power_domain_str(enum intel_display_power_domain domain)
return "TRANSCODER_C";
case POWER_DOMAIN_TRANSCODER_EDP:
return "TRANSCODER_EDP";
- case POWER_DOMAIN_PORT_DDI_A_2_LANES:
- return "PORT_DDI_A_2_LANES";
- case POWER_DOMAIN_PORT_DDI_A_4_LANES:
- return "PORT_DDI_A_4_LANES";
- case POWER_DOMAIN_PORT_DDI_B_2_LANES:
- return "PORT_DDI_B_2_LANES";
- case POWER_DOMAIN_PORT_DDI_B_4_LANES:
- return "PORT_DDI_B_4_LANES";
- case POWER_DOMAIN_PORT_DDI_C_2_LANES:
- return "PORT_DDI_C_2_LANES";
- case POWER_DOMAIN_PORT_DDI_C_4_LANES:
- return "PORT_DDI_C_4_LANES";
- case POWER_DOMAIN_PORT_DDI_D_2_LANES:
- return "PORT_DDI_D_2_LANES";
- case POWER_DOMAIN_PORT_DDI_D_4_LANES:
- return "PORT_DDI_D_4_LANES";
- case POWER_DOMAIN_PORT_DDI_E_2_LANES:
- return "PORT_DDI_E_2_LANES";
+ case POWER_DOMAIN_PORT_DDI_A_LANES:
+ return "PORT_DDI_A_LANES";
+ case POWER_DOMAIN_PORT_DDI_B_LANES:
+ return "PORT_DDI_B_LANES";
+ case POWER_DOMAIN_PORT_DDI_C_LANES:
+ return "PORT_DDI_C_LANES";
+ case POWER_DOMAIN_PORT_DDI_D_LANES:
+ return "PORT_DDI_D_LANES";
+ case POWER_DOMAIN_PORT_DDI_E_LANES:
+ return "PORT_DDI_E_LANES";
case POWER_DOMAIN_PORT_DSI:
return "PORT_DSI";
case POWER_DOMAIN_PORT_CRT:
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index cef0588..fff7f63 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -180,15 +180,11 @@ enum intel_display_power_domain {
POWER_DOMAIN_TRANSCODER_B,
POWER_DOMAIN_TRANSCODER_C,
POWER_DOMAIN_TRANSCODER_EDP,
- POWER_DOMAIN_PORT_DDI_A_2_LANES,
- POWER_DOMAIN_PORT_DDI_A_4_LANES,
- POWER_DOMAIN_PORT_DDI_B_2_LANES,
- POWER_DOMAIN_PORT_DDI_B_4_LANES,
- POWER_DOMAIN_PORT_DDI_C_2_LANES,
- POWER_DOMAIN_PORT_DDI_C_4_LANES,
- POWER_DOMAIN_PORT_DDI_D_2_LANES,
- POWER_DOMAIN_PORT_DDI_D_4_LANES,
- POWER_DOMAIN_PORT_DDI_E_2_LANES,
+ POWER_DOMAIN_PORT_DDI_A_LANES,
+ POWER_DOMAIN_PORT_DDI_B_LANES,
+ POWER_DOMAIN_PORT_DDI_C_LANES,
+ POWER_DOMAIN_PORT_DDI_D_LANES,
+ POWER_DOMAIN_PORT_DDI_E_LANES,
POWER_DOMAIN_PORT_DSI,
POWER_DOMAIN_PORT_CRT,
POWER_DOMAIN_PORT_OTHER,
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index c2578d9..649ac34 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -5128,15 +5128,15 @@ static enum intel_display_power_domain port_to_power_domain(enum port port)
{
switch (port) {
case PORT_A:
- return POWER_DOMAIN_PORT_DDI_A_4_LANES;
+ return POWER_DOMAIN_PORT_DDI_A_LANES;
case PORT_B:
- return POWER_DOMAIN_PORT_DDI_B_4_LANES;
+ return POWER_DOMAIN_PORT_DDI_B_LANES;
case PORT_C:
- return POWER_DOMAIN_PORT_DDI_C_4_LANES;
+ return POWER_DOMAIN_PORT_DDI_C_LANES;
case PORT_D:
- return POWER_DOMAIN_PORT_DDI_D_4_LANES;
+ return POWER_DOMAIN_PORT_DDI_D_LANES;
case PORT_E:
- return POWER_DOMAIN_PORT_DDI_E_2_LANES;
+ return POWER_DOMAIN_PORT_DDI_E_LANES;
default:
WARN_ON_ONCE(1);
return POWER_DOMAIN_PORT_OTHER;
diff --git a/drivers/gpu/drm/i915/intel_runtime_pm.c b/drivers/gpu/drm/i915/intel_runtime_pm.c
index c9cb94d..fc206bb 100644
--- a/drivers/gpu/drm/i915/intel_runtime_pm.c
+++ b/drivers/gpu/drm/i915/intel_runtime_pm.c
@@ -286,13 +286,10 @@ static void hsw_set_power_well(struct drm_i915_private *dev_priv,
BIT(POWER_DOMAIN_TRANSCODER_C) | \
BIT(POWER_DOMAIN_PIPE_B_PANEL_FITTER) | \
BIT(POWER_DOMAIN_PIPE_C_PANEL_FITTER) | \
- BIT(POWER_DOMAIN_PORT_DDI_B_2_LANES) | \
- BIT(POWER_DOMAIN_PORT_DDI_B_4_LANES) | \
- BIT(POWER_DOMAIN_PORT_DDI_C_2_LANES) | \
- BIT(POWER_DOMAIN_PORT_DDI_C_4_LANES) | \
- BIT(POWER_DOMAIN_PORT_DDI_D_2_LANES) | \
- BIT(POWER_DOMAIN_PORT_DDI_D_4_LANES) | \
- BIT(POWER_DOMAIN_PORT_DDI_E_2_LANES) | \
+ BIT(POWER_DOMAIN_PORT_DDI_B_LANES) | \
+ BIT(POWER_DOMAIN_PORT_DDI_C_LANES) | \
+ BIT(POWER_DOMAIN_PORT_DDI_D_LANES) | \
+ BIT(POWER_DOMAIN_PORT_DDI_E_LANES) | \
BIT(POWER_DOMAIN_AUX_B) | \
BIT(POWER_DOMAIN_AUX_C) | \
BIT(POWER_DOMAIN_AUX_D) | \
@@ -300,21 +297,17 @@ static void hsw_set_power_well(struct drm_i915_private *dev_priv,
BIT(POWER_DOMAIN_VGA) | \
BIT(POWER_DOMAIN_INIT))
#define SKL_DISPLAY_DDI_A_E_POWER_DOMAINS ( \
- BIT(POWER_DOMAIN_PORT_DDI_A_2_LANES) | \
- BIT(POWER_DOMAIN_PORT_DDI_A_4_LANES) | \
- BIT(POWER_DOMAIN_PORT_DDI_E_2_LANES) | \
+ BIT(POWER_DOMAIN_PORT_DDI_A_LANES) | \
+ BIT(POWER_DOMAIN_PORT_DDI_E_LANES) | \
BIT(POWER_DOMAIN_INIT))
#define SKL_DISPLAY_DDI_B_POWER_DOMAINS ( \
- BIT(POWER_DOMAIN_PORT_DDI_B_2_LANES) | \
- BIT(POWER_DOMAIN_PORT_DDI_B_4_LANES) | \
+ BIT(POWER_DOMAIN_PORT_DDI_B_LANES) | \
BIT(POWER_DOMAIN_INIT))
#define SKL_DISPLAY_DDI_C_POWER_DOMAINS ( \
- BIT(POWER_DOMAIN_PORT_DDI_C_2_LANES) | \
- BIT(POWER_DOMAIN_PORT_DDI_C_4_LANES) | \
+ BIT(POWER_DOMAIN_PORT_DDI_C_LANES) | \
BIT(POWER_DOMAIN_INIT))
#define SKL_DISPLAY_DDI_D_POWER_DOMAINS ( \
- BIT(POWER_DOMAIN_PORT_DDI_D_2_LANES) | \
- BIT(POWER_DOMAIN_PORT_DDI_D_4_LANES) | \
+ BIT(POWER_DOMAIN_PORT_DDI_D_LANES) | \
BIT(POWER_DOMAIN_INIT))
#define SKL_DISPLAY_ALWAYS_ON_POWER_DOMAINS ( \
(POWER_DOMAIN_MASK & ~( \
@@ -329,10 +322,8 @@ static void hsw_set_power_well(struct drm_i915_private *dev_priv,
BIT(POWER_DOMAIN_TRANSCODER_C) | \
BIT(POWER_DOMAIN_PIPE_B_PANEL_FITTER) | \
BIT(POWER_DOMAIN_PIPE_C_PANEL_FITTER) | \
- BIT(POWER_DOMAIN_PORT_DDI_B_2_LANES) | \
- BIT(POWER_DOMAIN_PORT_DDI_B_4_LANES) | \
- BIT(POWER_DOMAIN_PORT_DDI_C_2_LANES) | \
- BIT(POWER_DOMAIN_PORT_DDI_C_4_LANES) | \
+ BIT(POWER_DOMAIN_PORT_DDI_B_LANES) | \
+ BIT(POWER_DOMAIN_PORT_DDI_C_LANES) | \
BIT(POWER_DOMAIN_AUX_B) | \
BIT(POWER_DOMAIN_AUX_C) | \
BIT(POWER_DOMAIN_AUDIO) | \
@@ -344,8 +335,7 @@ static void hsw_set_power_well(struct drm_i915_private *dev_priv,
BIT(POWER_DOMAIN_PIPE_A) | \
BIT(POWER_DOMAIN_TRANSCODER_EDP) | \
BIT(POWER_DOMAIN_PIPE_A_PANEL_FITTER) | \
- BIT(POWER_DOMAIN_PORT_DDI_A_2_LANES) | \
- BIT(POWER_DOMAIN_PORT_DDI_A_4_LANES) | \
+ BIT(POWER_DOMAIN_PORT_DDI_A_LANES) | \
BIT(POWER_DOMAIN_AUX_A) | \
BIT(POWER_DOMAIN_PLLS) | \
BIT(POWER_DOMAIN_INIT))
@@ -1420,14 +1410,10 @@ void intel_display_power_put(struct drm_i915_private *dev_priv,
#define HSW_ALWAYS_ON_POWER_DOMAINS ( \
BIT(POWER_DOMAIN_PIPE_A) | \
BIT(POWER_DOMAIN_TRANSCODER_EDP) | \
- BIT(POWER_DOMAIN_PORT_DDI_A_2_LANES) | \
- BIT(POWER_DOMAIN_PORT_DDI_A_4_LANES) | \
- BIT(POWER_DOMAIN_PORT_DDI_B_2_LANES) | \
- BIT(POWER_DOMAIN_PORT_DDI_B_4_LANES) | \
- BIT(POWER_DOMAIN_PORT_DDI_C_2_LANES) | \
- BIT(POWER_DOMAIN_PORT_DDI_C_4_LANES) | \
- BIT(POWER_DOMAIN_PORT_DDI_D_2_LANES) | \
- BIT(POWER_DOMAIN_PORT_DDI_D_4_LANES) | \
+ BIT(POWER_DOMAIN_PORT_DDI_A_LANES) | \
+ BIT(POWER_DOMAIN_PORT_DDI_B_LANES) | \
+ BIT(POWER_DOMAIN_PORT_DDI_C_LANES) | \
+ BIT(POWER_DOMAIN_PORT_DDI_D_LANES) | \
BIT(POWER_DOMAIN_PORT_CRT) | \
BIT(POWER_DOMAIN_PLLS) | \
BIT(POWER_DOMAIN_AUX_A) | \
@@ -1451,49 +1437,42 @@ void intel_display_power_put(struct drm_i915_private *dev_priv,
#define VLV_DISPLAY_POWER_DOMAINS POWER_DOMAIN_MASK

#define VLV_DPIO_CMN_BC_POWER_DOMAINS ( \
- BIT(POWER_DOMAIN_PORT_DDI_B_2_LANES) | \
- BIT(POWER_DOMAIN_PORT_DDI_B_4_LANES) | \
- BIT(POWER_DOMAIN_PORT_DDI_C_2_LANES) | \
- BIT(POWER_DOMAIN_PORT_DDI_C_4_LANES) | \
+ BIT(POWER_DOMAIN_PORT_DDI_B_LANES) | \
+ BIT(POWER_DOMAIN_PORT_DDI_C_LANES) | \
BIT(POWER_DOMAIN_PORT_CRT) | \
BIT(POWER_DOMAIN_AUX_B) | \
BIT(POWER_DOMAIN_AUX_C) | \
BIT(POWER_DOMAIN_INIT))

#define VLV_DPIO_TX_B_LANES_01_POWER_DOMAINS ( \
- BIT(POWER_DOMAIN_PORT_DDI_B_2_LANES) | \
- BIT(POWER_DOMAIN_PORT_DDI_B_4_LANES) | \
+ BIT(POWER_DOMAIN_PORT_DDI_B_LANES) | \
BIT(POWER_DOMAIN_AUX_B) | \
BIT(POWER_DOMAIN_INIT))

#define VLV_DPIO_TX_B_LANES_23_POWER_DOMAINS ( \
- BIT(POWER_DOMAIN_PORT_DDI_B_4_LANES) | \
+ BIT(POWER_DOMAIN_PORT_DDI_B_LANES) | \
BIT(POWER_DOMAIN_AUX_B) | \
BIT(POWER_DOMAIN_INIT))

#define VLV_DPIO_TX_C_LANES_01_POWER_DOMAINS ( \
- BIT(POWER_DOMAIN_PORT_DDI_C_2_LANES) | \
- BIT(POWER_DOMAIN_PORT_DDI_C_4_LANES) | \
+ BIT(POWER_DOMAIN_PORT_DDI_C_LANES) | \
BIT(POWER_DOMAIN_AUX_C) | \
BIT(POWER_DOMAIN_INIT))

#define VLV_DPIO_TX_C_LANES_23_POWER_DOMAINS ( \
- BIT(POWER_DOMAIN_PORT_DDI_C_4_LANES) | \
+ BIT(POWER_DOMAIN_PORT_DDI_C_LANES) | \
BIT(POWER_DOMAIN_AUX_C) | \
BIT(POWER_DOMAIN_INIT))

#define CHV_DPIO_CMN_BC_POWER_DOMAINS ( \
- BIT(POWER_DOMAIN_PORT_DDI_B_2_LANES) | \
- BIT(POWER_DOMAIN_PORT_DDI_B_4_LANES) | \
- BIT(POWER_DOMAIN_PORT_DDI_C_2_LANES) | \
- BIT(POWER_DOMAIN_PORT_DDI_C_4_LANES) | \
+ BIT(POWER_DOMAIN_PORT_DDI_B_LANES) | \
+ BIT(POWER_DOMAIN_PORT_DDI_C_LANES) | \
BIT(POWER_DOMAIN_AUX_B) | \
BIT(POWER_DOMAIN_AUX_C) | \
BIT(POWER_DOMAIN_INIT))

#define CHV_DPIO_CMN_D_POWER_DOMAINS ( \
- BIT(POWER_DOMAIN_PORT_DDI_D_2_LANES) | \
- BIT(POWER_DOMAIN_PORT_DDI_D_4_LANES) | \
+ BIT(POWER_DOMAIN_PORT_DDI_D_LANES) | \
BIT(POWER_DOMAIN_AUX_D) | \
BIT(POWER_DOMAIN_INIT))

--
2.5.0