Merge branch 'drm-fixes-4.6' of git://people.freedesktop.org/~agd5f/linux into drm...

DP mode validation regression fix.
* 'drm-fixes-4.6' of git://people.freedesktop.org/~agd5f/linux:
  drm/amdgpu: fix DP mode validation
  drm/radeon: fix DP mode validation

diff --git a/drivers/gpu/drm/amd/amdgpu/atombios_dp.c b/drivers/gpu/drm/amd/amdgpu/atombios_dp.c
index bf731e9f643e9ecddd367034179fae6a40d294ce..7f85c2c1d68156a4d91bd4b18332df6f1886fb7c 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/atombios_dp.c
+++ b/drivers/gpu/drm/amd/amdgpu/atombios_dp.c
@@ -276,8 +276,8 @@ static int amdgpu_atombios_dp_get_dp_link_config(struct drm_connector *connector
                        }
                }
        } else {
-               for (lane_num = 1; lane_num <= max_lane_num; lane_num <<= 1) {
-                       for (i = 0; i < ARRAY_SIZE(link_rates) && link_rates[i] <= max_link_rate; i++) {
+               for (i = 0; i < ARRAY_SIZE(link_rates) && link_rates[i] <= max_link_rate; i++) {
+                       for (lane_num = 1; lane_num <= max_lane_num; lane_num <<= 1) {
                                max_pix_clock = (lane_num * link_rates[i] * 8) / bpp;
                                if (max_pix_clock >= pix_clock) {
                                        *dp_lanes = lane_num;

diff --git a/drivers/gpu/drm/radeon/atombios_dp.c b/drivers/gpu/drm/radeon/atombios_dp.c
index afa9db1dc0e3dfcc14f51bf3e74b2f2d3c5702c5..cead089a9e7d2ea1bc78046aeed4d6cb7e8a02d6 100644 (file)
--- a/drivers/gpu/drm/radeon/atombios_dp.c
+++ b/drivers/gpu/drm/radeon/atombios_dp.c
@@ -326,8 +326,8 @@ int radeon_dp_get_dp_link_config(struct drm_connector *connector,
                        }
                }
        } else {
-               for (lane_num = 1; lane_num <= max_lane_num; lane_num <<= 1) {
-                       for (i = 0; i < ARRAY_SIZE(link_rates) && link_rates[i] <= max_link_rate; i++) {
+               for (i = 0; i < ARRAY_SIZE(link_rates) && link_rates[i] <= max_link_rate; i++) {
+                       for (lane_num = 1; lane_num <= max_lane_num; lane_num <<= 1) {
                                max_pix_clock = (lane_num * link_rates[i] * 8) / bpp;
                                if (max_pix_clock >= pix_clock) {
                                        *dp_lanes = lane_num;