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drm/i915/dmc: Load DMC on DG2

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Add Support for DC states on Dg2.

v2: Add dc9 as the max supported DC states and disable DC5.
v3: set max_dc to 0. (Imre)

Cc: Imre Deak <imre.deak@intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Anusha Srivatsa <anusha.srivatsa@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>(v1)
Signed-off-by: Imre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220504202213.740200-2-anusha.srivatsa@intel.com
This commit is contained in:
Anusha Srivatsa 2022-05-04 13:22:12 -07:00 committed by Imre Deak
parent e9794c88cd
commit ef83e1198f
2 changed files with 12 additions and 2 deletions
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4
drivers/gpu/drm/i915/display/intel_display_power.c
View File

@ -907,7 +907,9 @@ static u32 get_allowed_dc_mask(const struct drm_i915_private *dev_priv,
if (!HAS_DISPLAY(dev_priv))
return 0;
if (IS_DG1(dev_priv))
if (IS_DG2(dev_priv))
max_dc = 0;
else if (IS_DG1(dev_priv))
max_dc = 3;
else if (DISPLAY_VER(dev_priv) >= 12)
max_dc = 4;

10
drivers/gpu/drm/i915/display/intel_dmc.c
View File

@ -52,6 +52,10 @@
#define DISPLAY_VER12_DMC_MAX_FW_SIZE ICL_DMC_MAX_FW_SIZE
#define DG2_DMC_PATH DMC_PATH(dg2, 2, 06)
#define DG2_DMC_VERSION_REQUIRED DMC_VERSION(2, 06)
MODULE_FIRMWARE(DG2_DMC_PATH);
#define ADLP_DMC_PATH DMC_PATH(adlp, 2, 16)
#define ADLP_DMC_VERSION_REQUIRED DMC_VERSION(2, 16)
MODULE_FIRMWARE(ADLP_DMC_PATH);
@ -688,7 +692,11 @@ void intel_dmc_ucode_init(struct drm_i915_private *dev_priv)
*/
intel_dmc_runtime_pm_get(dev_priv);
if (IS_ALDERLAKE_P(dev_priv)) {
if (IS_DG2(dev_priv)) {
dmc->fw_path = DG2_DMC_PATH;
dmc->required_version = DG2_DMC_VERSION_REQUIRED;
dmc->max_fw_size = DISPLAY_VER13_DMC_MAX_FW_SIZE;
} else if (IS_ALDERLAKE_P(dev_priv)) {
dmc->fw_path = ADLP_DMC_PATH;
dmc->required_version = ADLP_DMC_VERSION_REQUIRED;
dmc->max_fw_size = DISPLAY_VER13_DMC_MAX_FW_SIZE;