diff options
author | Imre Deak <imre.deak@intel.com> | 2019-07-11 20:31:02 +0300 |
---|---|---|
committer | Lucas De Marchi <lucas.demarchi@intel.com> | 2019-07-12 02:31:07 +0300 |
commit | 656409bbaf8792c015708e567d4ebcd7fb4e7728 (patch) | |
tree | 02ad6ea8b785be9690be6c500dc46425751ff4ca /drivers/gpu/drm/i915/display/intel_display_power.h | |
parent | 276199e6be6a4058e74828728eb25179b1461978 (diff) | |
download | linux-656409bbaf8792c015708e567d4ebcd7fb4e7728.tar.xz |
drm/i915/tgl: Add power well support
The patch adds the new power wells introduced by TGL (GEN 12) and
maps these to existing/new power domains. The changes for GEN 12 wrt
to GEN 11 are the following:
- Transcoder#EDP removed from power well#1 (Transcoder#A used in
low-power mode instead)
- Transcoder#A is now backed by power well#1 instead of power well#3
- The DDI#B/C combo PHY ports are now backed by power well#1 instead of
power well#3
- New power well#5 added for pipe#D functionality (TODO)
- 2 additional TC ports (TC#5-6) backed by power well#3, 2 port
specific IO power wells (only for the non-TBT modes) and 4 port
specific AUX power wells (2-2 for TBT vs. non-TBT modes)
- Power well#2 backs now VDSC/joining for pipe#A instead of VDSC for
eDP and MIPI DSI (TODO)
On TGL Port DDI#C changed to be a combo PHY (native DP/HDMI) and
BSpec has renamed ports DDI#D-F to TC#4-6 respectively. Thus on ICL we
have the following naming for ports:
- Combo PHYs (native DP/HDMI):
DDI#A-B
- TBT/non-TBT (TC altmode, native DP/HDMI) PHYs:
DDI#C-F
Starting from GEN 12 we have the following naming for ports:
- Combo PHYs (native DP/HDMI):
DDI#A-C
- TBT/non-TBT (TC altmode, native DP/HDMI) PHYs:
DDI TC#1-6
To save some space in the power domain enum the power domain naming in
the driver reflects the above change, that is power domains TC#1-3 are
added as aliases for DDI#D-F and new power domains are reserved for
TC#4-6.
v2 (Lucas):
- Separate out the bits and definitions for TGL from the ICL ones.
Fix use of TRANSCODER_EDP_VDSC, that is now the correct define since
we don't define TRANSCODER_A_VDSC power domain to spare a one bit in
the bitmask (suggested by Ville)
v3 (Lucas):
- Fix missing squashes on v2
- Rebase on renamed TRANSCODER_EDP_VDSC
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Anusha Srivatsa <anusha.srivatsa@intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: José Roberto de Souza <jose.souza@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190711173115.28296-9-lucas.demarchi@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_display_power.h')
-rw-r--r-- | drivers/gpu/drm/i915/display/intel_display_power.h | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_display_power.h b/drivers/gpu/drm/i915/display/intel_display_power.h index cc6956132ebc..54ad4f0b0886 100644 --- a/drivers/gpu/drm/i915/display/intel_display_power.h +++ b/drivers/gpu/drm/i915/display/intel_display_power.h @@ -33,14 +33,29 @@ enum intel_display_power_domain { POWER_DOMAIN_PORT_DDI_B_LANES, POWER_DOMAIN_PORT_DDI_C_LANES, POWER_DOMAIN_PORT_DDI_D_LANES, + POWER_DOMAIN_PORT_DDI_TC1_LANES = POWER_DOMAIN_PORT_DDI_D_LANES, POWER_DOMAIN_PORT_DDI_E_LANES, + POWER_DOMAIN_PORT_DDI_TC2_LANES = POWER_DOMAIN_PORT_DDI_E_LANES, POWER_DOMAIN_PORT_DDI_F_LANES, + POWER_DOMAIN_PORT_DDI_TC3_LANES = POWER_DOMAIN_PORT_DDI_F_LANES, + POWER_DOMAIN_PORT_DDI_TC4_LANES, + POWER_DOMAIN_PORT_DDI_TC5_LANES, + POWER_DOMAIN_PORT_DDI_TC6_LANES, POWER_DOMAIN_PORT_DDI_A_IO, POWER_DOMAIN_PORT_DDI_B_IO, POWER_DOMAIN_PORT_DDI_C_IO, POWER_DOMAIN_PORT_DDI_D_IO, + POWER_DOMAIN_PORT_DDI_TC1_IO = POWER_DOMAIN_PORT_DDI_D_IO, POWER_DOMAIN_PORT_DDI_E_IO, + POWER_DOMAIN_PORT_DDI_TC2_IO = POWER_DOMAIN_PORT_DDI_E_IO, POWER_DOMAIN_PORT_DDI_F_IO, + POWER_DOMAIN_PORT_DDI_TC3_IO = POWER_DOMAIN_PORT_DDI_F_IO, + POWER_DOMAIN_PORT_DDI_G_IO, + POWER_DOMAIN_PORT_DDI_TC4_IO = POWER_DOMAIN_PORT_DDI_G_IO, + POWER_DOMAIN_PORT_DDI_H_IO, + POWER_DOMAIN_PORT_DDI_TC5_IO = POWER_DOMAIN_PORT_DDI_H_IO, + POWER_DOMAIN_PORT_DDI_I_IO, + POWER_DOMAIN_PORT_DDI_TC6_IO = POWER_DOMAIN_PORT_DDI_I_IO, POWER_DOMAIN_PORT_DSI, POWER_DOMAIN_PORT_CRT, POWER_DOMAIN_PORT_OTHER, @@ -50,13 +65,21 @@ enum intel_display_power_domain { POWER_DOMAIN_AUX_B, POWER_DOMAIN_AUX_C, POWER_DOMAIN_AUX_D, + POWER_DOMAIN_AUX_TC1 = POWER_DOMAIN_AUX_D, POWER_DOMAIN_AUX_E, + POWER_DOMAIN_AUX_TC2 = POWER_DOMAIN_AUX_E, POWER_DOMAIN_AUX_F, + POWER_DOMAIN_AUX_TC3 = POWER_DOMAIN_AUX_F, + POWER_DOMAIN_AUX_TC4, + POWER_DOMAIN_AUX_TC5, + POWER_DOMAIN_AUX_TC6, POWER_DOMAIN_AUX_IO_A, POWER_DOMAIN_AUX_TBT1, POWER_DOMAIN_AUX_TBT2, POWER_DOMAIN_AUX_TBT3, POWER_DOMAIN_AUX_TBT4, + POWER_DOMAIN_AUX_TBT5, + POWER_DOMAIN_AUX_TBT6, POWER_DOMAIN_GMBUS, POWER_DOMAIN_MODESET, POWER_DOMAIN_GT_IRQ, @@ -229,7 +252,8 @@ void bxt_display_core_init(struct drm_i915_private *dev_priv, bool resume); void bxt_display_core_uninit(struct drm_i915_private *dev_priv); const char * -intel_display_power_domain_str(enum intel_display_power_domain domain); +intel_display_power_domain_str(struct drm_i915_private *i915, + enum intel_display_power_domain domain); bool intel_display_power_is_enabled(struct drm_i915_private *dev_priv, enum intel_display_power_domain domain); |