Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 3f8340cc authored by Ville Syrjälä's avatar Ville Syrjälä Committed by Alex Deucher
Browse files

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



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

Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: "Christian König" <christian.koenig@amd.com>
Signed-off-by: default avatarVille Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
parent 6e7a3840

drivers/gpu/drm/radeon/atombios_dp.c

+3 −2
Original line number Diff line number Diff line
@@ -171,8 +171,9 @@ radeon_dp_aux_transfer_atom(struct drm_dp_aux *aux, struct drm_dp_aux_msg *msg) 
		return -E2BIG;



	tx_buf[0] = msg->address & 0xff;

	tx_buf[1] = msg->address >> 8;

	tx_buf[2] = msg->request << 4;

	tx_buf[1] = (msg->address >> 8) & 0xff;

	tx_buf[2] = (msg->request << 4) |

		((msg->address >> 16) & 0xf);

	tx_buf[3] = msg->size ? (msg->size - 1) : 0;



	switch (msg->request & ~DP_AUX_I2C_MOT) {