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path: root/drivers/gpu/drm/i915/display/intel_dmc.c
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Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_dmc.c')
-rw-r--r--drivers/gpu/drm/i915/display/intel_dmc.c36
1 files changed, 29 insertions, 7 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dmc.c b/drivers/gpu/drm/i915/display/intel_dmc.c
index 6b162f77340e..8a88de67ff0a 100644
--- a/drivers/gpu/drm/i915/display/intel_dmc.c
+++ b/drivers/gpu/drm/i915/display/intel_dmc.c
@@ -89,10 +89,13 @@ static struct intel_dmc *i915_to_dmc(struct drm_i915_private *i915)
__stringify(major) "_" \
__stringify(minor) ".bin"
+#define XELPDP_DMC_MAX_FW_SIZE 0x7000
#define DISPLAY_VER13_DMC_MAX_FW_SIZE 0x20000
-
#define DISPLAY_VER12_DMC_MAX_FW_SIZE ICL_DMC_MAX_FW_SIZE
+#define MTL_DMC_PATH DMC_PATH(mtl)
+MODULE_FIRMWARE(MTL_DMC_PATH);
+
#define DG2_DMC_PATH DMC_LEGACY_PATH(dg2, 2, 08)
MODULE_FIRMWARE(DG2_DMC_PATH);
@@ -424,15 +427,12 @@ static void disable_all_event_handlers(struct drm_i915_private *i915)
}
}
-static void pipedmc_clock_gating_wa(struct drm_i915_private *i915, bool enable)
+static void adlp_pipedmc_clock_gating_wa(struct drm_i915_private *i915, bool enable)
{
enum pipe pipe;
- if (DISPLAY_VER(i915) < 13)
- return;
-
/*
- * Wa_16015201720:adl-p,dg2, mtl
+ * Wa_16015201720:adl-p,dg2
* The WA requires clock gating to be disabled all the time
* for pipe A and B.
* For pipe C and D clock gating needs to be disabled only
@@ -448,6 +448,25 @@ static void pipedmc_clock_gating_wa(struct drm_i915_private *i915, bool enable)
PIPEDMC_GATING_DIS, 0);
}
+static void mtl_pipedmc_clock_gating_wa(struct drm_i915_private *i915)
+{
+ /*
+ * Wa_16015201720
+ * The WA requires clock gating to be disabled all the time
+ * for pipe A and B.
+ */
+ intel_de_rmw(i915, GEN9_CLKGATE_DIS_0, 0,
+ MTL_PIPEDMC_GATING_DIS_A | MTL_PIPEDMC_GATING_DIS_B);
+}
+
+static void pipedmc_clock_gating_wa(struct drm_i915_private *i915, bool enable)
+{
+ if (DISPLAY_VER(i915) >= 14 && enable)
+ mtl_pipedmc_clock_gating_wa(i915);
+ else if (DISPLAY_VER(i915) == 13)
+ adlp_pipedmc_clock_gating_wa(i915, enable);
+}
+
void intel_dmc_enable_pipe(struct drm_i915_private *i915, enum pipe pipe)
{
enum intel_dmc_id dmc_id = PIPE_TO_DMC_ID(pipe);
@@ -979,7 +998,10 @@ void intel_dmc_init(struct drm_i915_private *i915)
INIT_WORK(&dmc->work, dmc_load_work_fn);
- if (IS_DG2(i915)) {
+ if (IS_METEORLAKE(i915)) {
+ dmc->fw_path = MTL_DMC_PATH;
+ dmc->max_fw_size = XELPDP_DMC_MAX_FW_SIZE;
+ } else if (IS_DG2(i915)) {
dmc->fw_path = DG2_DMC_PATH;
dmc->max_fw_size = DISPLAY_VER13_DMC_MAX_FW_SIZE;
} else if (IS_ALDERLAKE_P(i915)) {