UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

drm/i915/cnl: Add AUX-F support 

On some Cannonlake SKUs we have a dedicated Aux for port F,
that is only the full split between port A and port E.

There is still no Aux E for Port E, as in previous platforms,
because port_E still means shared lanes with port A.

v2: Rebase.
v3: Add couple missed PORT_F cases on intel_dp.
v4: Rebase and fix commit message.
v5: Squash Imre's "drm/i915: Add missing AUX_F power well string"
v6: Rebase on top of display headers rework.
v7: s/IS_CANNONLAKE/IS_CNL_WITH_PORT_F (DK)
v8: Fix Aux bits for Port F (DK)
v9: Fix VBT definition of Port F (DK).
v10: Squash power well addition to this patch to avoid
     warns as pointed by DK.
v11: Clean up squashed commit message. (David)
v12: Remove unnecessary handling for older platforms (DK)
     Adding AUX_F to PG2 following other existent ones. (DK)

Cc: David Weinehall <david.weinehall@linux.intel.com>
Cc: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Cc: Imre Deak <imre.deak@intel.com>
Cc: Manasi Navare <manasi.d.navare@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: David Weinehall <david.weinehall@linux.intel.com>
Reviewed-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180129232223.766-2-rodrigo.vivi@intel.com
This commit is contained in:
Rodrigo Vivi 2018-01-29 15:22:15 -08:00
parent 3f43031b16
commit a324fcaca3
6 changed files with 45 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/gpu/drm/i915/i915_drv.h
View File

@ -1255,6 +1255,7 @@ enum modeset_restore {
#define DP_AUX_B 0x10
#define DP_AUX_C 0x20
#define DP_AUX_D 0x30
#define DP_AUX_F 0x60
#define DDC_PIN_B 0x05
#define DDC_PIN_C 0x04

6
drivers/gpu/drm/i915/i915_irq.c
View File

@ -2585,6 +2585,9 @@ gen8_de_irq_handler(struct drm_i915_private *dev_priv, u32 master_ctl)
GEN9_AUX_CHANNEL_C |
GEN9_AUX_CHANNEL_D;
if (IS_CNL_WITH_PORT_F(dev_priv))
tmp_mask |= CNL_AUX_CHANNEL_F;
if (iir & tmp_mask) {
dp_aux_irq_handler(dev_priv);
found = true;
@ -3617,6 +3620,9 @@ static void gen8_de_irq_postinstall(struct drm_i915_private *dev_priv)
de_pipe_masked |= GEN8_DE_PIPE_IRQ_FAULT_ERRORS;
}
if (IS_CNL_WITH_PORT_F(dev_priv))
de_port_masked |= CNL_AUX_CHANNEL_F;
de_pipe_enables = de_pipe_masked | GEN8_PIPE_VBLANK |
GEN8_PIPE_FIFO_UNDERRUN;

9
drivers/gpu/drm/i915/i915_reg.h
View File

@ -1312,6 +1312,7 @@ enum i915_power_well_id {
CNL_DISP_PW_AUX_B = GLK_DISP_PW_AUX_B,
CNL_DISP_PW_AUX_C = GLK_DISP_PW_AUX_C,
CNL_DISP_PW_AUX_D,
CNL_DISP_PW_AUX_F,
SKL_DISP_PW_1 = 14,
SKL_DISP_PW_2,
@ -5283,6 +5284,13 @@ enum {
#define _DPD_AUX_CH_DATA4 (dev_priv->info.display_mmio_offset + 0x64320)
#define _DPD_AUX_CH_DATA5 (dev_priv->info.display_mmio_offset + 0x64324)
#define _DPF_AUX_CH_CTL (dev_priv->info.display_mmio_offset + 0x64510)
#define _DPF_AUX_CH_DATA1 (dev_priv->info.display_mmio_offset + 0x64514)
#define _DPF_AUX_CH_DATA2 (dev_priv->info.display_mmio_offset + 0x64518)
#define _DPF_AUX_CH_DATA3 (dev_priv->info.display_mmio_offset + 0x6451c)
#define _DPF_AUX_CH_DATA4 (dev_priv->info.display_mmio_offset + 0x64520)
#define _DPF_AUX_CH_DATA5 (dev_priv->info.display_mmio_offset + 0x64524)
#define DP_AUX_CH_CTL(port) _MMIO_PORT(port, _DPA_AUX_CH_CTL, _DPB_AUX_CH_CTL)
#define DP_AUX_CH_DATA(port, i) _MMIO(_PORT(port, _DPA_AUX_CH_DATA1, _DPB_AUX_CH_DATA1) + (i) * 4) /* 5 registers */
@ -6938,6 +6946,7 @@ enum {
#define GEN8_DE_PORT_IMR _MMIO(0x44444)
#define GEN8_DE_PORT_IIR _MMIO(0x44448)
#define GEN8_DE_PORT_IER _MMIO(0x4444c)
#define CNL_AUX_CHANNEL_F (1 << 28)
#define GEN9_AUX_CHANNEL_D (1 << 27)
#define GEN9_AUX_CHANNEL_C (1 << 26)
#define GEN9_AUX_CHANNEL_B (1 << 25)

1
drivers/gpu/drm/i915/intel_display.h
View File

@ -172,6 +172,7 @@ enum intel_display_power_domain {
POWER_DOMAIN_AUX_B,
POWER_DOMAIN_AUX_C,
POWER_DOMAIN_AUX_D,
POWER_DOMAIN_AUX_F,
POWER_DOMAIN_GMBUS,
POWER_DOMAIN_MODESET,
POWER_DOMAIN_GT_IRQ,

6
drivers/gpu/drm/i915/intel_dp.c
View File

@ -1299,6 +1299,9 @@ static enum port intel_aux_port(struct drm_i915_private *dev_priv,
case DP_AUX_D:
aux_port = PORT_D;
break;
case DP_AUX_F:
aux_port = PORT_F;
break;
default:
MISSING_CASE(info->alternate_aux_channel);
aux_port = PORT_A;
@ -5998,6 +6001,9 @@ intel_dp_init_connector_port_info(struct intel_digital_port *intel_dig_port)
/* FIXME: Check VBT for actual wiring of PORT E */
intel_dp->aux_power_domain = POWER_DOMAIN_AUX_D;
break;
case PORT_F:
intel_dp->aux_power_domain = POWER_DOMAIN_AUX_F;
break;
default:
MISSING_CASE(encoder->port);
}

22
drivers/gpu/drm/i915/intel_runtime_pm.c
View File

@ -124,6 +124,8 @@ intel_display_power_domain_str(enum intel_display_power_domain domain)
return "AUX_C";
case POWER_DOMAIN_AUX_D:
return "AUX_D";
case POWER_DOMAIN_AUX_F:
return "AUX_F";
case POWER_DOMAIN_GMBUS:
return "GMBUS";
case POWER_DOMAIN_INIT:
@ -1828,6 +1830,7 @@ void intel_display_power_put(struct drm_i915_private *dev_priv,
BIT_ULL(POWER_DOMAIN_AUX_B) | \
BIT_ULL(POWER_DOMAIN_AUX_C) | \
BIT_ULL(POWER_DOMAIN_AUX_D) | \
BIT_ULL(POWER_DOMAIN_AUX_F) | \
BIT_ULL(POWER_DOMAIN_AUDIO) | \
BIT_ULL(POWER_DOMAIN_VGA) | \
BIT_ULL(POWER_DOMAIN_INIT))
@ -1855,6 +1858,9 @@ void intel_display_power_put(struct drm_i915_private *dev_priv,
#define CNL_DISPLAY_AUX_D_POWER_DOMAINS ( \
BIT_ULL(POWER_DOMAIN_AUX_D) | \
BIT_ULL(POWER_DOMAIN_INIT))
#define CNL_DISPLAY_AUX_F_POWER_DOMAINS ( \
BIT_ULL(POWER_DOMAIN_AUX_F) | \
BIT_ULL(POWER_DOMAIN_INIT))
#define CNL_DISPLAY_DC_OFF_POWER_DOMAINS ( \
CNL_DISPLAY_POWERWELL_2_POWER_DOMAINS | \
BIT_ULL(POWER_DOMAIN_GT_IRQ) | \
@ -2405,6 +2411,12 @@ static struct i915_power_well cnl_power_wells[] = {
.ops = &hsw_power_well_ops,
.id = SKL_DISP_PW_DDI_D,
},
{
.name = "AUX F",
.domains = CNL_DISPLAY_AUX_F_POWER_DOMAINS,
.ops = &hsw_power_well_ops,
.id = CNL_DISP_PW_AUX_F,
},
};
static int
@ -2520,6 +2532,16 @@ int intel_power_domains_init(struct drm_i915_private *dev_priv)
set_power_wells(power_domains, skl_power_wells);
} else if (IS_CANNONLAKE(dev_priv)) {
set_power_wells(power_domains, cnl_power_wells);
/*
* Aux IO is getting enabled for all ports
* regardless the presence or use. So, in order to avoid
* timeouts, lets remove it from the list
* for the SKUs without port F.
*/
if (!IS_CNL_WITH_PORT_F(dev_priv))
power_domains->power_well_count -= 1;
} else if (IS_BROXTON(dev_priv)) {
set_power_wells(power_domains, bxt_power_wells);
} else if (IS_GEMINILAKE(dev_priv)) {