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authorVille Syrjälä <ville.syrjala@linux.intel.com>2015-03-19 11:44:06 +0200
committerDaniel Vetter <daniel.vetter@ffwll.ch>2015-03-20 11:48:16 +0100
commitd2d9cbbd224f5fc9254c9952a78bd8cfed3b96f9 (patch)
tree8fb944a7d721c3fe66a0978667256986791244db /drivers/gpu
parenteb0b44adc08c0be01a027eb009e9cdadc31e65a2 (diff)
drm/i915: Send out the full AUX address
AUX addresses are 20 bits long. Send out the entire address instead of just the low 16 bits. Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by: Jani Nikula <jani.nikula@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/i915/intel_dp.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 3967af10f53c..637dd5376c82 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -942,8 +942,9 @@ intel_dp_aux_transfer(struct drm_dp_aux *aux, struct drm_dp_aux_msg *msg)
size_t txsize, rxsize;
int ret;
- txbuf[0] = msg->request << 4;
- txbuf[1] = msg->address >> 8;
+ txbuf[0] = (msg->request << 4) |
+ ((msg->address >> 16) & 0xf);
+ txbuf[1] = (msg->address >> 8) & 0xff;
txbuf[2] = msg->address & 0xff;
txbuf[3] = msg->size - 1;