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Commit 7040c399 authored by Alex Deucher's avatar Alex Deucher
Browse files

drm/radeon/native: Send out the full AUX address 



AUX addresses are 20 bits long. Send out the entire address instead of
just the low 16 bits.

Port of:
drm/radeon/atom: Send out the full AUX address
to radeon non-atom aux path

Reviewed-by: default avatarChristian König <christian.koenig@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
parent 3f8340cc

drivers/gpu/drm/radeon/radeon_dp_auxch.c

+2 −2
Original line number Diff line number Diff line
@@ -116,8 +116,8 @@ radeon_dp_aux_transfer_native(struct drm_dp_aux *aux, struct drm_dp_aux_msg *msg 
	       AUX_SW_WR_BYTES(bytes));



	/* write the data header into the registers */

	/* request, addres, msg size */

	byte = (msg->request << 4);

	/* request, address, msg size */

	byte = (msg->request << 4) | ((msg->address >> 16) & 0xf);

	WREG32(AUX_SW_DATA + aux_offset[instance],

	       AUX_SW_DATA_MASK(byte) | AUX_SW_AUTOINCREMENT_DISABLE);