--- /dev/null
+From 2e97be73e5f74a317232740ae82eb8f95326a660 Mon Sep 17 00:00:00 2001
+From: Alex Deucher <alexander.deucher@amd.com>
+Date: Thu, 11 Apr 2013 12:45:34 -0400
+Subject: drm/radeon/evergreen+: don't enable HPD interrupts on eDP/LVDS
+
+From: Alex Deucher <alexander.deucher@amd.com>
+
+commit 2e97be73e5f74a317232740ae82eb8f95326a660 upstream.
+
+Avoids potential interrupt storms when the display is disabled.
+
+May fix:
+https://bugzilla.kernel.org/show_bug.cgi?id=56041
+
+Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
+Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
+
+---
+ drivers/gpu/drm/radeon/evergreen.c | 10 ++++++++++
+ 1 file changed, 10 insertions(+)
+
+--- a/drivers/gpu/drm/radeon/evergreen.c
++++ b/drivers/gpu/drm/radeon/evergreen.c
+@@ -330,6 +330,16 @@ void evergreen_hpd_init(struct radeon_de
+
+ list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
+ struct radeon_connector *radeon_connector = to_radeon_connector(connector);
++
++ if (connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
++ connector->connector_type == DRM_MODE_CONNECTOR_LVDS) {
++ /* don't try to enable hpd on eDP or LVDS avoid breaking the
++ * aux dp channel on imac and help (but not completely fix)
++ * https://bugzilla.redhat.com/show_bug.cgi?id=726143
++ * also avoid interrupt storms during dpms.
++ */
++ continue;
++ }
+ switch (radeon_connector->hpd.hpd) {
+ case RADEON_HPD_1:
+ WREG32(DC_HPD1_CONTROL, tmp);
--- /dev/null
+From beb71fc61c2cad64e347f164991b8ef476529e64 Mon Sep 17 00:00:00 2001
+From: Alex Deucher <alexander.deucher@amd.com>
+Date: Wed, 24 Apr 2013 14:39:31 -0400
+Subject: drm/radeon: fix endian bugs in atom_allocate_fb_scratch()
+
+From: Alex Deucher <alexander.deucher@amd.com>
+
+commit beb71fc61c2cad64e347f164991b8ef476529e64 upstream.
+
+Reviwed-by: Michel Dänzer <michel.daenzer@amd.com>
+Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
+Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
+
+---
+ drivers/gpu/drm/radeon/atom.c | 6 +++---
+ 1 file changed, 3 insertions(+), 3 deletions(-)
+
+--- a/drivers/gpu/drm/radeon/atom.c
++++ b/drivers/gpu/drm/radeon/atom.c
+@@ -1384,10 +1384,10 @@ int atom_allocate_fb_scratch(struct atom
+ firmware_usage = (struct _ATOM_VRAM_USAGE_BY_FIRMWARE *)(ctx->bios + data_offset);
+
+ DRM_DEBUG("atom firmware requested %08x %dkb\n",
+- firmware_usage->asFirmwareVramReserveInfo[0].ulStartAddrUsedByFirmware,
+- firmware_usage->asFirmwareVramReserveInfo[0].usFirmwareUseInKb);
++ le32_to_cpu(firmware_usage->asFirmwareVramReserveInfo[0].ulStartAddrUsedByFirmware),
++ le16_to_cpu(firmware_usage->asFirmwareVramReserveInfo[0].usFirmwareUseInKb));
+
+- usage_bytes = firmware_usage->asFirmwareVramReserveInfo[0].usFirmwareUseInKb * 1024;
++ usage_bytes = le16_to_cpu(firmware_usage->asFirmwareVramReserveInfo[0].usFirmwareUseInKb) * 1024;
+ }
+ ctx->scratch_size_bytes = 0;
+ if (usage_bytes == 0)
--- /dev/null
+From f8e6bfc2ce162855fa4f9822a45659f4b542c960 Mon Sep 17 00:00:00 2001
+From: Alex Deucher <alexander.deucher@amd.com>
+Date: Thu, 25 Apr 2013 09:29:17 -0400
+Subject: drm/radeon: fix possible segfault when parsing pm tables
+
+From: Alex Deucher <alexander.deucher@amd.com>
+
+commit f8e6bfc2ce162855fa4f9822a45659f4b542c960 upstream.
+
+If we have a empty power table, bail early and allocate
+the default power state.
+
+Should fix:
+https://bugs.freedesktop.org/show_bug.cgi?id=63865
+
+Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
+Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
+
+---
+ drivers/gpu/drm/radeon/radeon_atombios.c | 10 +++++++++-
+ 1 file changed, 9 insertions(+), 1 deletion(-)
+
+--- a/drivers/gpu/drm/radeon/radeon_atombios.c
++++ b/drivers/gpu/drm/radeon/radeon_atombios.c
+@@ -2031,6 +2031,8 @@ static int radeon_atombios_parse_power_t
+ num_modes = power_info->info.ucNumOfPowerModeEntries;
+ if (num_modes > ATOM_MAX_NUMBEROF_POWER_BLOCK)
+ num_modes = ATOM_MAX_NUMBEROF_POWER_BLOCK;
++ if (num_modes == 0)
++ return state_index;
+ rdev->pm.power_state = kzalloc(sizeof(struct radeon_power_state) * num_modes, GFP_KERNEL);
+ if (!rdev->pm.power_state)
+ return state_index;
+@@ -2401,6 +2403,8 @@ static int radeon_atombios_parse_power_t
+ power_info = (union power_info *)(mode_info->atom_context->bios + data_offset);
+
+ radeon_atombios_add_pplib_thermal_controller(rdev, &power_info->pplib.sThermalController);
++ if (power_info->pplib.ucNumStates == 0)
++ return state_index;
+ rdev->pm.power_state = kzalloc(sizeof(struct radeon_power_state) *
+ power_info->pplib.ucNumStates, GFP_KERNEL);
+ if (!rdev->pm.power_state)
+@@ -2485,6 +2489,8 @@ static int radeon_atombios_parse_power_t
+ non_clock_info_array = (struct NonClockInfoArray *)
+ (mode_info->atom_context->bios + data_offset +
+ le16_to_cpu(power_info->pplib.usNonClockInfoArrayOffset));
++ if (state_array->ucNumEntries == 0)
++ return state_index;
+ rdev->pm.power_state = kzalloc(sizeof(struct radeon_power_state) *
+ state_array->ucNumEntries, GFP_KERNEL);
+ if (!rdev->pm.power_state)
+@@ -2561,7 +2567,9 @@ void radeon_atombios_get_power_modes(str
+ default:
+ break;
+ }
+- } else {
++ }
++
++ if (state_index == 0) {
+ rdev->pm.power_state = kzalloc(sizeof(struct radeon_power_state), GFP_KERNEL);
+ if (rdev->pm.power_state) {
+ /* add the default mode */
drm-i915-add-no-lvds-quirk-for-fujitsu-esprimo-q900.patch
drm-i915-fall-back-to-bit-banging-mode-for-dvo-transmitter-detection.patch
drm-radeon-don-t-use-get_engine_clock-on-apus.patch
+drm-radeon-evergreen-don-t-enable-hpd-interrupts-on-edp-lvds.patch
+drm-radeon-fix-endian-bugs-in-atom_allocate_fb_scratch.patch
+drm-radeon-fix-possible-segfault-when-parsing-pm-tables.patch
projects / thirdparty / kernel / stable-queue.git / commitdiff
