[Intel-gfx] [PATCH] drm/i915/dmc: Change DMC FW size on ADL-P

Madhumitha Tolakanahalli Pradeep madhumitha.tolakanahalli.pradeep at intel.com
Tue Dec 7 02:37:18 UTC 2021


Increase the size of DMC on ADL-P to account for support of
new features in the current/upcoming DMC versions.

Signed-off-by: Madhumitha Tolakanahalli Pradeep <madhumitha.tolakanahalli.pradeep at intel.com>
---
 drivers/gpu/drm/i915/display/intel_dmc.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/display/intel_dmc.c b/drivers/gpu/drm/i915/display/intel_dmc.c
index 2dc9d632969d..0cab18f972d1 100644
--- a/drivers/gpu/drm/i915/display/intel_dmc.c
+++ b/drivers/gpu/drm/i915/display/intel_dmc.c
@@ -45,6 +45,8 @@
 
 #define GEN12_DMC_MAX_FW_SIZE		ICL_DMC_MAX_FW_SIZE
 
+#define GEN13_DMC_MAX_FW_SIZE		0x20000
+
 #define ADLP_DMC_PATH			DMC_PATH(adlp, 2, 12)
 #define ADLP_DMC_VERSION_REQUIRED	DMC_VERSION(2, 12)
 MODULE_FIRMWARE(ADLP_DMC_PATH);
@@ -682,7 +684,7 @@ void intel_dmc_ucode_init(struct drm_i915_private *dev_priv)
 	if (IS_ALDERLAKE_P(dev_priv)) {
 		dmc->fw_path = ADLP_DMC_PATH;
 		dmc->required_version = ADLP_DMC_VERSION_REQUIRED;
-		dmc->max_fw_size = GEN12_DMC_MAX_FW_SIZE;
+		dmc->max_fw_size = GEN13_DMC_MAX_FW_SIZE;
 	} else if (IS_ALDERLAKE_S(dev_priv)) {
 		dmc->fw_path = ADLS_DMC_PATH;
 		dmc->required_version = ADLS_DMC_VERSION_REQUIRED;
-- 
2.33.1



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