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Commit c41b9ee9 authored by Alex Deucher's avatar Alex Deucher Committed by Dave Airlie
Browse files

drm/radeon/kms: add thermal chip quirk for asus 9600xt 

The board has an lm63 compatible thermal chip, but no
thermal chip entry in the vbios tables.

Fixes:
https://bugs.freedesktop.org/show_bug.cgi?id=39513



Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
parent 88498839

drivers/gpu/drm/radeon/radeon_combios.c

+20 −1
Original line number Diff line number Diff line
@@ -2557,6 +2557,7 @@ void radeon_combios_get_power_modes(struct radeon_device *rdev) 
	u16 offset, misc, misc2 = 0;

	u8 rev, blocks, tmp;

	int state_index = 0;

	struct radeon_i2c_bus_rec i2c_bus;



	rdev->pm.default_power_state_index = -1;
@@ -2575,7 +2576,6 @@ void radeon_combios_get_power_modes(struct radeon_device *rdev) 
	offset = combios_get_table_offset(dev, COMBIOS_OVERDRIVE_INFO_TABLE);

	if (offset) {

		u8 thermal_controller = 0, gpio = 0, i2c_addr = 0, clk_bit = 0, data_bit = 0;

		struct radeon_i2c_bus_rec i2c_bus;



		rev = RBIOS8(offset);
@@ -2617,6 +2617,25 @@ void radeon_combios_get_power_modes(struct radeon_device *rdev) 
				i2c_new_device(&rdev->pm.i2c_bus->adapter, &info);

			}

		}

	} else {

		/* boards with a thermal chip, but no overdrive table */



		/* Asus 9600xt has an f75375 on the monid bus */

		if ((dev->pdev->device == 0x4152) &&

		    (dev->pdev->subsystem_vendor == 0x1043) &&

		    (dev->pdev->subsystem_device == 0xc002)) {

			i2c_bus = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);

			rdev->pm.i2c_bus = radeon_i2c_lookup(rdev, &i2c_bus);

			if (rdev->pm.i2c_bus) {

				struct i2c_board_info info = { };

				const char *name = "f75375";

				info.addr = 0x28;

				strlcpy(info.type, name, sizeof(info.type));

				i2c_new_device(&rdev->pm.i2c_bus->adapter, &info);

				DRM_INFO("Possible %s thermal controller at 0x%02x\n",

					 name, info.addr);

			}

		}

	}



	if (rdev->flags & RADEON_IS_MOBILITY) {