[PATCH 7/8] drm/i915/xe2lpd: Load DMC

[Gustavo Sousa]

Quoting Lucas De Marchi (2024-03-04 16:50:49-03:00)
>On Mon, Mar 04, 2024 at 03:30:26PM -0300, Gustavo Sousa wrote:
>>From: Balasubramani Vivekanandan <balasubramani.vivekanandan at intel.com>
>>
>>Load DMC for Xe2LPD. The value 0x8000 is the maximum payload size for
>>any Xe2LPD DMC firmware.
>>
>>Signed-off-by: Balasubramani Vivekanandan <balasubramani.vivekanandan at intel.com>
>>Signed-off-by: Dnyaneshwar Bhadane <dnyaneshwar.bhadane at intel.com>
>>Signed-off-by: Gustavo Sousa <gustavo.sousa at intel.com>
>>---
>> drivers/gpu/drm/i915/display/intel_dmc.c | 9 ++++++++-
>> 1 file changed, 8 insertions(+), 1 deletion(-)
>>
>>diff --git a/drivers/gpu/drm/i915/display/intel_dmc.c b/drivers/gpu/drm/i915/display/intel_dmc.c
>>index 835781624482..54c5909de293 100644
>>--- a/drivers/gpu/drm/i915/display/intel_dmc.c
>>+++ b/drivers/gpu/drm/i915/display/intel_dmc.c
>>@@ -89,10 +89,14 @@ static struct intel_dmc *i915_to_dmc(struct drm_i915_private *i915)
>>         __stringify(major) "_"                        \
>>         __stringify(minor) ".bin"
>>
>>+#define XE2LPD_MAX_FW_SIZE                0x8000
>
>                 ^ missing DMC_ here to be like the other macros below?

Oh, yeah. That went unnoticed. Thanks!

--
Gustavo

>
>other than that, Reviewed-by: Lucas De Marchi <lucas.demarchi at intel.com>
>
>Lucas De Marchi
>
>> #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 XE2LPD_DMC_PATH                        DMC_PATH(xe2lpd)
>>+MODULE_FIRMWARE(XE2LPD_DMC_PATH);
>>+
>> #define MTL_DMC_PATH                        DMC_PATH(mtl)
>> MODULE_FIRMWARE(MTL_DMC_PATH);
>>
>>@@ -987,7 +991,10 @@ void intel_dmc_init(struct drm_i915_private *i915)
>>
>>         INIT_WORK(&dmc->work, dmc_load_work_fn);
>>
>>-        if (DISPLAY_VER_FULL(i915) == IP_VER(14, 0)) {
>>+        if (DISPLAY_VER_FULL(i915) == IP_VER(20, 0)) {
>>+                dmc->fw_path = XE2LPD_DMC_PATH;
>>+                dmc->max_fw_size = XE2LPD_MAX_FW_SIZE;
>>+        } else if (DISPLAY_VER_FULL(i915) == IP_VER(14, 0)) {
>>                 dmc->fw_path = MTL_DMC_PATH;
>>                 dmc->max_fw_size = XELPDP_DMC_MAX_FW_SIZE;
>>         } else if (IS_DG2(i915)) {
>>-- 
>>2.44.0
>>