[Intel-gfx] [PATCH] drm/i915/dmc: Load DMC on TGL

Lucas De Marchi lucas.demarchi at intel.com
Fri Aug 2 18:38:56 UTC 2019


From: Anusha Srivatsa <anusha.srivatsa at intel.com>

Add Support to load DMC v2.03 on TGL.

v2: Use version 2.03 that is already available since that works with
    PSR2

Signed-off-by: Anusha Srivatsa <anusha.srivatsa at intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi at intel.com>
Reviewed-by: Matt Atwood <matthew.s.atwood at intel.com>
---
 drivers/gpu/drm/i915/intel_csr.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/gpu/drm/i915/intel_csr.c b/drivers/gpu/drm/i915/intel_csr.c
index 6ef74531588a..8279e72edf4c 100644
--- a/drivers/gpu/drm/i915/intel_csr.c
+++ b/drivers/gpu/drm/i915/intel_csr.c
@@ -39,6 +39,11 @@
 
 #define GEN12_CSR_MAX_FW_SIZE		ICL_CSR_MAX_FW_SIZE
 
+#define TGL_CSR_PATH			"i915/tgl_dmc_ver2_03.bin"
+#define TGL_CSR_VERSION_REQUIRED	CSR_VERSION(2, 3)
+#define TGL_CSR_MAX_FW_SIZE		0x6000
+MODULE_FIRMWARE(TGL_CSR_PATH);
+
 #define ICL_CSR_PATH			"i915/icl_dmc_ver1_07.bin"
 #define ICL_CSR_VERSION_REQUIRED	CSR_VERSION(1, 7)
 #define ICL_CSR_MAX_FW_SIZE		0x6000
@@ -674,6 +679,8 @@ void intel_csr_ucode_init(struct drm_i915_private *dev_priv)
 	intel_csr_runtime_pm_get(dev_priv);
 
 	if (INTEL_GEN(dev_priv) >= 12) {
+		csr->fw_path = TGL_CSR_PATH;
+		csr->required_version = TGL_CSR_VERSION_REQUIRED;
 		/* Allow to load fw via parameter using the last known size */
 		csr->max_fw_size = GEN12_CSR_MAX_FW_SIZE;
 	} else if (IS_GEN(dev_priv, 11)) {
-- 
2.21.0



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