On Thu, Feb 22, 2024 at 02:56:33PM +0200, Vinod Govindapillai wrote:
From: Balasubramani Vivekanandan <balasubramani.vivekanan...@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.vivekanan...@intel.com>
Signed-off-by: Dnyaneshwar Bhadane <dnyaneshwar.bhad...@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
#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);

looking at the mailing list I don't see any pull request to either
linux-firmware or drm-firmware with the DMC firmware. So if we had LNL
in CI, it would just fail. We need it at least in drm-firmware to be
able to test. We need it in linux-firmware to be able to merge.

Lucas De Marchi

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