[Intel-gfx] [PATCH 6/9] drm/i915/adl_s: Load DMC

[Lucas De Marchi]

On Tue, Jan 26, 2021 at 08:11:56PM -0800, Aditya Swarup wrote:
>From: Anusha Srivatsa <anusha.srivatsa at intel.com>
>
>Load DMC on ADL_S v2.01. This is the first offcial
>release of DMC for ADL_S.
>
>Cc: Jani Nikula <jani.nikula at intel.com>
>Cc: Imre Deak <imre.deak at intel.com>
>Cc: Matt Roper <matthew.d.roper at intel.com>
>Cc: Lucas De Marchi <lucas.demarchi at intel.com>
>Cc: Aditya Swarup <aditya.swarup at intel.com>
>Signed-off-by: Anusha Srivatsa <anusha.srivatsa at intel.com>
>Signed-off-by: Aditya Swarup <aditya.swarup at intel.com>
>---
> drivers/gpu/drm/i915/display/intel_csr.c | 10 +++++++++-
> 1 file changed, 9 insertions(+), 1 deletion(-)
>
>diff --git a/drivers/gpu/drm/i915/display/intel_csr.c b/drivers/gpu/drm/i915/display/intel_csr.c
>index 67dc64df78a5..db9f219c4b5a 100644
>--- a/drivers/gpu/drm/i915/display/intel_csr.c
>+++ b/drivers/gpu/drm/i915/display/intel_csr.c
>@@ -40,6 +40,10 @@
>
> #define GEN12_CSR_MAX_FW_SIZE		ICL_CSR_MAX_FW_SIZE
>
>+#define ADLS_CSR_PATH			"i915/adls_dmc_ver2_01.bin"

Anusha, did you send this firmware to linux-firmware repo? I don't see
it there.

https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/i915


Lucas De Marchi

>+#define ADLS_CSR_VERSION_REQUIRED	CSR_VERSION(2, 1)
>+MODULE_FIRMWARE(ADLS_CSR_PATH);
>+
> #define DG1_CSR_PATH			"i915/dg1_dmc_ver2_02.bin"
> #define DG1_CSR_VERSION_REQUIRED	CSR_VERSION(2, 2)
> MODULE_FIRMWARE(DG1_CSR_PATH);
>@@ -689,7 +693,11 @@ void intel_csr_ucode_init(struct drm_i915_private *dev_priv)
> 	 */
> 	intel_csr_runtime_pm_get(dev_priv);
>
>-	if (IS_DG1(dev_priv)) {
>+	if (IS_ALDERLAKE_S(dev_priv)) {
>+		csr->fw_path = ADLS_CSR_PATH;
>+		csr->required_version = ADLS_CSR_VERSION_REQUIRED;
>+		csr->max_fw_size = GEN12_CSR_MAX_FW_SIZE;
>+	} else if (IS_DG1(dev_priv)) {
> 		csr->fw_path = DG1_CSR_PATH;
> 		csr->required_version = DG1_CSR_VERSION_REQUIRED;
> 		csr->max_fw_size = GEN12_CSR_MAX_FW_SIZE;
>-- 
>2.27.0
>
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