Re: [PATCH] drm/i915/xe3lpd: Load DMC for xe3lpd 3002

[Borah, Chaitanya Kumar]

On 10/16/2025 6:45 PM, Dnyaneshwar Bhadane wrote:

Load the DMC for Xe3LPD for display version 3002.

LGTM
Reviewed-by: Chaitanya Kumar Borah <chaitanya.kumar.bo...@intel.com>

Signed-off-by: Dnyaneshwar Bhadane <dnyaneshwar.bhad...@intel.com>
---
  drivers/gpu/drm/i915/display/intel_dmc.c | 10 +++++++---
  1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_dmc.c 
b/drivers/gpu/drm/i915/display/intel_dmc.c
index 77a0199f9ea5..f3f10f97a573 100644
--- a/drivers/gpu/drm/i915/display/intel_dmc.c
+++ b/drivers/gpu/drm/i915/display/intel_dmc.c
@@ -127,6 +127,9 @@ static bool dmc_firmware_param_disabled(struct 
intel_display *display)
  #define DISPLAY_VER13_DMC_MAX_FW_SIZE 0x20000
  #define DISPLAY_VER12_DMC_MAX_FW_SIZE ICL_DMC_MAX_FW_SIZE

+#define XE3LPD_3002_DMC_PATH DMC_PATH(xe3lpd_3002)

+MODULE_FIRMWARE(XE3LPD_3002_DMC_PATH);
+
  #define XE3LPD_DMC_PATH                       DMC_PATH(xe3lpd)
  MODULE_FIRMWARE(XE3LPD_DMC_PATH);

@@ -183,9 +186,10 @@ static const char *dmc_firmware_default(struct intel_display *display, u32 *size

  {
        const char *fw_path = NULL;
        u32 max_fw_size = 0;
-
-       if (DISPLAY_VERx100(display) == 3002 ||
-           DISPLAY_VERx100(display) == 3000) {
+       if (DISPLAY_VERx100(display) == 3002) {
+               fw_path = XE3LPD_3002_DMC_PATH;
+               max_fw_size = XE2LPD_DMC_MAX_FW_SIZE;
+       } else if (DISPLAY_VERx100(display) == 3000) {
                fw_path = XE3LPD_DMC_PATH;
                max_fw_size = XE2LPD_DMC_MAX_FW_SIZE;
        } else if (DISPLAY_VERx100(display) == 2000) {