Allow users to disable hardware specific dpm quirks
using a module parameter.
This patch leaves quirks enabled by default.
Signed-off-by: Adel Gadllah <adel.gadllah@xxxxxxxxx>
---
drivers/gpu/drm/radeon/radeon.h | 1 +
drivers/gpu/drm/radeon/radeon_drv.c | 4 ++++
drivers/gpu/drm/radeon/radeon_pm.c | 2 +-
drivers/gpu/drm/radeon/si_dpm.c | 2 +-
4 files changed, 7 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index f03b7eb..1d90f3d 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -102,6 +102,7 @@ extern int radeon_msi;
extern int radeon_lockup_timeout;
extern int radeon_fastfb;
extern int radeon_dpm;
+extern int radeon_dpm_quirks;
extern int radeon_aspm;
extern int radeon_runtime_pm;
extern int radeon_hard_reset;
diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c
index 5751446..3530e39 100644
--- a/drivers/gpu/drm/radeon/radeon_drv.c
+++ b/drivers/gpu/drm/radeon/radeon_drv.c
@@ -183,6 +183,7 @@ int radeon_msi = -1;
int radeon_lockup_timeout = 10000;
int radeon_fastfb = 0;
int radeon_dpm = -1;
+int radeon_dpm_quirks = 1;
int radeon_aspm = -1;
int radeon_runtime_pm = -1;
int radeon_hard_reset = 0;
@@ -249,6 +250,9 @@ module_param_named(lockup_timeout, radeon_lockup_timeout, int, 0444);
MODULE_PARM_DESC(fastfb, "Direct FB access for IGP chips (0 = disable, 1 = enable)");
module_param_named(fastfb, radeon_fastfb, int, 0444);
+MODULE_PARM_DESC(dpm_quirks, "Use hardware specific DPM quirks (1 = enable (default), 0 = disable)");
+module_param_named(dpm_quirks, radeon_dpm_quirks, int, 0444);
+
MODULE_PARM_DESC(dpm, "DPM support (1 = enable, 0 = disable, -1 = auto)");
module_param_named(dpm, radeon_dpm, int, 0444);
diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
index c1ba83a..5d7b25e 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -1460,7 +1460,7 @@ int radeon_pm_init(struct radeon_device *rdev)
bool disable_dpm = false;
/* Apply dpm quirks */
- while (p && p->chip_device != 0) {
+ while (radeon_dpm_quirks && p && p->chip_device != 0) {
if (rdev->pdev->vendor == p->chip_vendor &&
rdev->pdev->device == p->chip_device &&
rdev->pdev->subsystem_vendor == p->subsys_vendor &&
diff --git a/drivers/gpu/drm/radeon/si_dpm.c b/drivers/gpu/drm/radeon/si_dpm.c
index 787cd8f..eb8ff32 100644
--- a/drivers/gpu/drm/radeon/si_dpm.c
+++ b/drivers/gpu/drm/radeon/si_dpm.c
@@ -2995,7 +2995,7 @@ static void si_apply_state_adjust_rules(struct radeon_device *rdev,
struct si_dpm_quirk *p = si_dpm_quirk_list;
/* Apply dpm quirks */
- while (p && p->chip_device != 0) {
+ while (radeon_dpm_quirks && p && p->chip_device != 0) {
if (rdev->pdev->vendor == p->chip_vendor &&
rdev->pdev->device == p->chip_device &&
rdev->pdev->subsystem_vendor == p->subsys_vendor &&
--
2.4.3
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