| Message ID | 20201117141951.28476-1-shawn.c.lee@intel.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [v4] drm/i915/rkl: new rkl ddc map for different PCH | expand |
diff --git a/drivers/gpu/drm/i915/display/intel_bios.c b/drivers/gpu/drm/i915/display/intel_bios.c index 4cc949b228f2..823fabdb5c94 100644 --- a/drivers/gpu/drm/i915/display/intel_bios.c +++ b/drivers/gpu/drm/i915/display/intel_bios.c @@ -1623,6 +1623,13 @@ static const u8 icp_ddc_pin_map[] = { [TGL_DDC_BUS_PORT_6] = GMBUS_PIN_14_TC6_TGP, }; +static const u8 rkl_pch_tgp_ddc_pin_map[] = { + [ICL_DDC_BUS_DDI_A] = GMBUS_PIN_1_BXT, + [ICL_DDC_BUS_DDI_B] = GMBUS_PIN_2_BXT, + [RKL_DDC_BUS_DDI_D] = GMBUS_PIN_9_TC1_ICP, + [RKL_DDC_BUS_DDI_E] = GMBUS_PIN_10_TC2_ICP, +}; + static u8 map_ddc_pin(struct drm_i915_private *dev_priv, u8 vbt_pin) { const u8 *ddc_pin_map; diff --git a/drivers/gpu/drm/i915/display/intel_vbt_defs.h b/drivers/gpu/drm/i915/display/intel_vbt_defs.h index 49b4b5fca941..187ec573de59 100644 --- a/drivers/gpu/drm/i915/display/intel_vbt_defs.h +++ b/drivers/gpu/drm/i915/display/intel_vbt_defs.h @@ -319,6 +319,8 @@ enum vbt_gmbus_ddi { ICL_DDC_BUS_DDI_A = 0x1, ICL_DDC_BUS_DDI_B, TGL_DDC_BUS_DDI_C, + RKL_DDC_BUS_DDI_D = 0x3, + RKL_DDC_BUS_DDI_E, ICL_DDC_BUS_PORT_1 = 0x4, ICL_DDC_BUS_PORT_2, ICL_DDC_BUS_PORT_3,
After boot into kernel. Driver configured ddc pin mapping based on predefined table in parse_ddi_port(). Now driver configure rkl ddc pin mapping depends on icp_ddc_pin_map[]. Then this table will give incorrect gmbus port number to cause HDMI can't work. Refer to commit cd0a89527d06 ("drm/i915/rkl: Add DDC pin mapping"). Create two ddc pin table for rkl TGP and CMP pch. Then HDMI can works properly on rkl. v2: update patch based on latest dinq branch. v3: update ddc table for RKL+TGP sku. RKL+CNP sku will load cnp_ddc_pin_map[] setting. v4: modify the if/else judgment to avoid nesting. Cc: Matt Roper <matthew.d.roper@intel.com> Cc: Aditya Swarup <aditya.swarup@intel.com> Cc: Anusha Srivatsa <anusha.srivatsa@intel.com> Cc: Jani Nikula <jani.nikula@linux.intel.com> Cc: Cooper Chiou <cooper.chiou@intel.com> Cc: Khaled Almahallawy <khaled.almahallawy@intel.com> Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/2577 Signed-off-by: Lee Shawn C <shawn.c.lee@intel.com> --- drivers/gpu/drm/i915/display/intel_bios.c | 7 +++++++ drivers/gpu/drm/i915/display/intel_vbt_defs.h | 2 ++ 2 files changed, 9 insertions(+)