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drm/i915/dsc: Add a power domain for VDSC on eDP/MIPI DSI

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On Icelake, a separate power well PG2 is created for
VDSC engine used for eDP/MIPI DSI. This patch adds a new
display power domain for Power well 2.

v3:
* Call it POWER_DOMAIN_TRANSCODER_EDP_VDSC (Ville)
* Move it around TRANSCODER power domain defs (Ville)

v2:
* Fix the power well mismatch CI error (Ville)
* Rename as VDSC_PIPE_A (Imre)
* Fix a whitespace (Anusha)
* Fix Comments (Imre)

Cc: Ville Syrjala <ville.syrjala@linux.intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Imre Deak <imre.deak@intel.com>
Signed-off-by: Manasi Navare <manasi.d.navare@intel.com>
Reviewed-by: Ville Syrjala <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181128202628.20238-7-manasi.d.navare@intel.com
This commit is contained in:
Manasi Navare 2018-11-28 12:26:18 -08:00
parent 2279298dbf
commit 91ba2c8be4
2 changed files with 4 additions and 1 deletions
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1
drivers/gpu/drm/i915/intel_display.h
View File

@ -242,6 +242,7 @@ enum intel_display_power_domain {
POWER_DOMAIN_TRANSCODER_B,
POWER_DOMAIN_TRANSCODER_C,
POWER_DOMAIN_TRANSCODER_EDP,
POWER_DOMAIN_TRANSCODER_EDP_VDSC,
POWER_DOMAIN_TRANSCODER_DSI_A,
POWER_DOMAIN_TRANSCODER_DSI_C,
POWER_DOMAIN_PORT_DDI_A_LANES,

4
drivers/gpu/drm/i915/intel_runtime_pm.c
View File

@ -76,6 +76,8 @@ intel_display_power_domain_str(enum intel_display_power_domain domain)
return "TRANSCODER_C";
case POWER_DOMAIN_TRANSCODER_EDP:
return "TRANSCODER_EDP";
case POWER_DOMAIN_TRANSCODER_EDP_VDSC:
return "TRANSCODER_EDP_VDSC";
case POWER_DOMAIN_TRANSCODER_DSI_A:
return "TRANSCODER_DSI_A";
case POWER_DOMAIN_TRANSCODER_DSI_C:
@ -2028,9 +2030,9 @@ void intel_display_power_put(struct drm_i915_private *dev_priv,
*/
#define ICL_PW_2_POWER_DOMAINS ( \
ICL_PW_3_POWER_DOMAINS | \
BIT_ULL(POWER_DOMAIN_TRANSCODER_EDP_VDSC) | \
BIT_ULL(POWER_DOMAIN_INIT))
/*
* - eDP/DSI VDSC
* - KVMR (HW control)
*/
#define ICL_DISPLAY_DC_OFF_POWER_DOMAINS ( \