drm/i915/tgl: Add power well to support 4th pipe

Add power well 5 to support 4th pipe and transcoder on TGL.

Cc: James Ausmus <james.ausmus@intel.com>
Cc: Imre Deak <imre.deak@intel.com>
Signed-off-by: Mika Kahola <mika.kahola@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190711173115.28296-10-lucas.demarchi@intel.com

diff --git a/drivers/gpu/drm/i915/display/intel_display_power.c b/drivers/gpu/drm/i915/display/intel_display_power.c
index 2d91cd7..12aa9ce 100644 (file)
--- a/drivers/gpu/drm/i915/display/intel_display_power.c
+++ b/drivers/gpu/drm/i915/display/intel_display_power.c
@@ -37,18 +37,24 @@ intel_display_power_domain_str(struct drm_i915_private *i915,
                return "PIPE_B";
        case POWER_DOMAIN_PIPE_C:
                return "PIPE_C";
+       case POWER_DOMAIN_PIPE_D:
+               return "PIPE_D";
        case POWER_DOMAIN_PIPE_A_PANEL_FITTER:
                return "PIPE_A_PANEL_FITTER";
        case POWER_DOMAIN_PIPE_B_PANEL_FITTER:
                return "PIPE_B_PANEL_FITTER";
        case POWER_DOMAIN_PIPE_C_PANEL_FITTER:
                return "PIPE_C_PANEL_FITTER";
+       case POWER_DOMAIN_PIPE_D_PANEL_FITTER:
+               return "PIPE_D_PANEL_FITTER";
        case POWER_DOMAIN_TRANSCODER_A:
                return "TRANSCODER_A";
        case POWER_DOMAIN_TRANSCODER_B:
                return "TRANSCODER_B";
        case POWER_DOMAIN_TRANSCODER_C:
                return "TRANSCODER_C";
+       case POWER_DOMAIN_TRANSCODER_D:
+               return "TRANSCODER_D";
        case POWER_DOMAIN_TRANSCODER_EDP:
                return "TRANSCODER_EDP";
        case POWER_DOMAIN_TRANSCODER_VDSC_PW2:
@@ -2540,8 +2546,13 @@ void intel_display_power_put(struct drm_i915_private *dev_priv,
 #define ICL_AUX_TBT4_IO_POWER_DOMAINS (                        \
        BIT_ULL(POWER_DOMAIN_AUX_TBT4))
 
-/* TODO: TGL_PW_5_POWER_DOMAINS: PIPE_D */
+#define TGL_PW_5_POWER_DOMAINS (                       \
+       BIT_ULL(POWER_DOMAIN_PIPE_D) |                  \
+       BIT_ULL(POWER_DOMAIN_PIPE_D_PANEL_FITTER) |     \
+       BIT_ULL(POWER_DOMAIN_INIT))
+
 #define TGL_PW_4_POWER_DOMAINS (                       \
+       TGL_PW_5_POWER_DOMAINS |                        \
        BIT_ULL(POWER_DOMAIN_PIPE_C) |                  \
        BIT_ULL(POWER_DOMAIN_PIPE_C_PANEL_FITTER) |     \
        BIT_ULL(POWER_DOMAIN_INIT))
@@ -2551,7 +2562,7 @@ void intel_display_power_put(struct drm_i915_private *dev_priv,
        BIT_ULL(POWER_DOMAIN_PIPE_B) |                  \
        BIT_ULL(POWER_DOMAIN_TRANSCODER_B) |            \
        BIT_ULL(POWER_DOMAIN_TRANSCODER_C) |            \
-       /* TODO: TRANSCODER_D */                        \
+       BIT_ULL(POWER_DOMAIN_TRANSCODER_D) |            \
        BIT_ULL(POWER_DOMAIN_PIPE_B_PANEL_FITTER) |     \
        BIT_ULL(POWER_DOMAIN_PORT_DDI_TC1_LANES) |      \
        BIT_ULL(POWER_DOMAIN_PORT_DDI_TC1_IO) |         \
@@ -3894,7 +3905,18 @@ static const struct i915_power_well_desc tgl_power_wells[] = {
                        .hsw.irq_pipe_mask = BIT(PIPE_C),
                }
        },
-       /* TODO: power well 5 for pipe D */
+       {
+               .name = "power well 5",
+               .domains = TGL_PW_5_POWER_DOMAINS,
+               .ops = &hsw_power_well_ops,
+               .id = DISP_PW_ID_NONE,
+               {
+                       .hsw.regs = &hsw_power_well_regs,
+                       .hsw.idx = TGL_PW_CTL_IDX_PW_5,
+                       .hsw.has_fuses = true,
+                       .hsw.irq_pipe_mask = BIT(PIPE_D),
+               },
+       },
 };
 
 static int

diff --git a/drivers/gpu/drm/i915/display/intel_display_power.h b/drivers/gpu/drm/i915/display/intel_display_power.h
index 54ad4f0..a264f18 100644 (file)
--- a/drivers/gpu/drm/i915/display/intel_display_power.h
+++ b/drivers/gpu/drm/i915/display/intel_display_power.h
@@ -18,12 +18,15 @@ enum intel_display_power_domain {
        POWER_DOMAIN_PIPE_A,
        POWER_DOMAIN_PIPE_B,
        POWER_DOMAIN_PIPE_C,
+       POWER_DOMAIN_PIPE_D,
        POWER_DOMAIN_PIPE_A_PANEL_FITTER,
        POWER_DOMAIN_PIPE_B_PANEL_FITTER,
        POWER_DOMAIN_PIPE_C_PANEL_FITTER,
+       POWER_DOMAIN_PIPE_D_PANEL_FITTER,
        POWER_DOMAIN_TRANSCODER_A,
        POWER_DOMAIN_TRANSCODER_B,
        POWER_DOMAIN_TRANSCODER_C,
+       POWER_DOMAIN_TRANSCODER_D,
        POWER_DOMAIN_TRANSCODER_EDP,
        /* VDSC/joining for TRANSCODER_EDP (ICL) or TRANSCODER_A (TGL) */
        POWER_DOMAIN_TRANSCODER_VDSC_PW2,

diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 7df1584..ca70be4 100644 (file)
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -9148,6 +9148,7 @@ enum {
 #define   SKL_PW_CTL_IDX_MISC_IO               0
 
 /* ICL/TGL - power wells */
+#define   TGL_PW_CTL_IDX_PW_5                  4
 #define   ICL_PW_CTL_IDX_PW_4                  3
 #define   ICL_PW_CTL_IDX_PW_3                  2
 #define   ICL_PW_CTL_IDX_PW_2                  1