search for: combios_setup_i2c_bus

Displaying 3 results from an estimated 3 matches for "combios_setup_i2c_bus".

2020 Jul 27
1
[PATCH 4/4] radeon: fall back to ACPI EDID retrieval
...c(rdev->mode_info.bios_hardcoded_edid_size, GFP_KERNEL); if (edid) { memcpy((unsigned char *)edid, @@ -412,7 +411,8 @@ radeon_bios_get_hardcoded_edid(struct radeon_device *rdev) return edid; } } - return NULL; + + return drm_get_edid_acpi(); } static struct radeon_i2c_bus_rec combios_setup_i2c_bus(struct radeon_device *rdev, -- 2.18.4
2020 Jul 28
0
[PATCH 4/4] radeon: fall back to ACPI EDID retrieval
...device *rdev) > return edid; > } > } > - return NULL; > + > + return drm_get_edid_acpi(); In general a good idea, but I'm wondering if we should really do this so unconditionally here. Regards, Christian. > } > > static struct radeon_i2c_bus_rec combios_setup_i2c_bus(struct radeon_device *rdev,
2020 Jul 27
6
[PATCH 0/4] drm: add support for retrieving EDID via ACPI _DDC
Some notebook systems provide the EDID for the internal panel via the _DDC method in ACPI, instead of or in addition to providing the EDID via DDC on LVDS/eDP. Add a DRM helper to search for an ACP _DDC method under the ACPI namespace for each VGA/3D controller, and return the first EDID successfully retrieved via _DDC. Update the i915, nouveau, and radeon DRM-KMS drivers to fall back to