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authorAnkit Nautiyal <[email protected]>2024-04-30 17:28:45 +0000
committerRadhakrishna Sripada <[email protected]>2024-05-03 20:15:54 +0000
commitc528aaa36db031591bfa9d4cb86f23dda4f413b9 (patch)
treeb4a52d70dbc8f650f058c712033086282b409c46
parentdrm/i915/bmg: BMG should re-use MTL's south display logic (diff)
downloadkernel-c528aaa36db031591bfa9d4cb86f23dda4f413b9.tar.gz
kernel-c528aaa36db031591bfa9d4cb86f23dda4f413b9.zip
Revert "drm/i915/dgfx: DGFX uses direct VBT pin mapping"
This reverts commit 562f33836f519a235e5c5e71bcc723ab1faccd2f. For BMG it seems that the VBT to DDI mapping does not follow DG1, and DG2, but follows ADLP mapping given in Bspec:20124. Signed-off-by: Ankit Nautiyal <[email protected]> Signed-off-by: Balasubramani Vivekanandan <[email protected]> Reviewed-by: Matt Roper <[email protected]> Signed-off-by: Radhakrishna Sripada <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
-rw-r--r--drivers/gpu/drm/i915/display/intel_bios.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_bios.c b/drivers/gpu/drm/i915/display/intel_bios.c
index 661842a3c2e6..cf770c866d13 100644
--- a/drivers/gpu/drm/i915/display/intel_bios.c
+++ b/drivers/gpu/drm/i915/display/intel_bios.c
@@ -2231,15 +2231,14 @@ static u8 map_ddc_pin(struct drm_i915_private *i915, u8 vbt_pin)
const u8 *ddc_pin_map;
int i, n_entries;
- if (IS_DGFX(i915))
- return vbt_pin;
-
if (INTEL_PCH_TYPE(i915) >= PCH_MTL || IS_ALDERLAKE_P(i915)) {
ddc_pin_map = adlp_ddc_pin_map;
n_entries = ARRAY_SIZE(adlp_ddc_pin_map);
} else if (IS_ALDERLAKE_S(i915)) {
ddc_pin_map = adls_ddc_pin_map;
n_entries = ARRAY_SIZE(adls_ddc_pin_map);
+ } else if (INTEL_PCH_TYPE(i915) >= PCH_DG1) {
+ return vbt_pin;
} else if (IS_ROCKETLAKE(i915) && INTEL_PCH_TYPE(i915) == PCH_TGP) {
ddc_pin_map = rkl_pch_tgp_ddc_pin_map;
n_entries = ARRAY_SIZE(rkl_pch_tgp_ddc_pin_map);