Merge branch 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6

* 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6:
  drm/radeon/kms: handle special cases for vddc
  drm/radeon/kms: fix num_banks tiling config for fusion

3 files changed, 39 insertions, 2 deletions

diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index 445af7981637..12d2fdc52414 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -2013,9 +2013,9 @@ static void evergreen_gpu_init(struct radeon_device *rdev)
                 rdev->config.evergreen.tile_config |= (3 << 0);
                 break;
         }
-        /* num banks is 8 on all fusion asics */
+        /* num banks is 8 on all fusion asics. 0 = 4, 1 = 8, 2 = 16 */
         if (rdev->flags & RADEON_IS_IGP)
-                rdev->config.evergreen.tile_config |= 8 << 4;
+                rdev->config.evergreen.tile_config |= 1 << 4;
         else
                 rdev->config.evergreen.tile_config |=
                         ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT) << 4;
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index 27f45579e64b..ef0e0e016914 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -179,6 +179,7 @@ void radeon_pm_resume(struct radeon_device *rdev);
 void radeon_combios_get_power_modes(struct radeon_device *rdev);
 void radeon_atombios_get_power_modes(struct radeon_device *rdev);
 void radeon_atom_set_voltage(struct radeon_device *rdev, u16 voltage_level, u8 voltage_type);
+int radeon_atom_get_max_vddc(struct radeon_device *rdev, u16 *voltage);
 void rs690_pm_info(struct radeon_device *rdev);
 extern int rv6xx_get_temp(struct radeon_device *rdev);
 extern int rv770_get_temp(struct radeon_device *rdev);
diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c
index 1e725d9f767f..bf2b61584cdb 100644
--- a/drivers/gpu/drm/radeon/radeon_atombios.c
+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
@@ -2320,6 +2320,14 @@ static bool radeon_atombios_parse_pplib_clock_info(struct radeon_device *rdev,
                         le16_to_cpu(clock_info->r600.usVDDC);
         }
 
+        /* patch up vddc if necessary */
+        if (rdev->pm.power_state[state_index].clock_info[mode_index].voltage.voltage == 0xff01) {
+                u16 vddc;
+
+                if (radeon_atom_get_max_vddc(rdev, &vddc) == 0)
+                        rdev->pm.power_state[state_index].clock_info[mode_index].voltage.voltage = vddc;
+        }
+
         if (rdev->flags & RADEON_IS_IGP) {
                 /* skip invalid modes */
                 if (rdev->pm.power_state[state_index].clock_info[mode_index].sclk == 0)
@@ -2630,7 +2638,35 @@ void radeon_atom_set_voltage(struct radeon_device *rdev, u16 voltage_level, u8 v
         atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
 }
 
+int radeon_atom_get_max_vddc(struct radeon_device *rdev,
+                             u16 *voltage)
+{
+        union set_voltage args;
+        int index = GetIndexIntoMasterTable(COMMAND, SetVoltage);
+        u8 frev, crev;
+
+        if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev, &crev))
+                return -EINVAL;
+
+        switch (crev) {
+        case 1:
+                return -EINVAL;
+        case 2:
+                args.v2.ucVoltageType = SET_VOLTAGE_GET_MAX_VOLTAGE;
+                args.v2.ucVoltageMode = 0;
+                args.v2.usVoltageLevel = 0;
+
+                atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
+
+                *voltage = le16_to_cpu(args.v2.usVoltageLevel);
+                break;
+        default:
+                DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
+                return -EINVAL;
+        }
 
+        return 0;
+}
 
 void radeon_atom_initialize_bios_scratch_regs(struct drm_device *dev)
 {