[PATCH v3 16/18] drm/i915/dmc_wl: Sanitize enable_dmc_wl according to hardware support
Gustavo Sousa
gustavo.sousa at intel.com
Thu Nov 7 18:27:21 UTC 2024
Instead of checking for HAS_DMC_WAKELOCK() multiple times, let's use it
to sanitize the enable_dmc_wl parameter and use that variable when
necessary.
Reviewed-by: Luca Coelho <luciano.coelho at intel.com>
Signed-off-by: Gustavo Sousa <gustavo.sousa at intel.com>
---
drivers/gpu/drm/i915/display/intel_dmc_wl.c | 21 ++++++++++++++-------
1 file changed, 14 insertions(+), 7 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_dmc_wl.c b/drivers/gpu/drm/i915/display/intel_dmc_wl.c
index 4ca2b990ec6a..c164ac6e1ada 100644
--- a/drivers/gpu/drm/i915/display/intel_dmc_wl.c
+++ b/drivers/gpu/drm/i915/display/intel_dmc_wl.c
@@ -5,6 +5,8 @@
#include <linux/kernel.h>
+#include <drm/drm_print.h>
+
#include "i915_reg.h"
#include "intel_de.h"
#include "intel_dmc.h"
@@ -262,20 +264,25 @@ static bool intel_dmc_wl_check_range(i915_reg_t reg, u32 dc_state)
static bool __intel_dmc_wl_supported(struct intel_display *display)
{
- if (!HAS_DMC_WAKELOCK(display) ||
- !intel_dmc_has_payload(display) ||
- !display->params.enable_dmc_wl)
- return false;
+ return display->params.enable_dmc_wl && intel_dmc_has_payload(display);
+}
- return true;
+static void intel_dmc_wl_sanitize_param(struct intel_display *display)
+{
+ if (!HAS_DMC_WAKELOCK(display))
+ display->params.enable_dmc_wl = false;
+
+ drm_dbg_kms(display->drm, "Sanitized enable_dmc_wl value: %d\n",
+ display->params.enable_dmc_wl);
}
void intel_dmc_wl_init(struct intel_display *display)
{
struct intel_dmc_wl *wl = &display->wl;
- /* don't call __intel_dmc_wl_supported(), DMC is not loaded yet */
- if (!HAS_DMC_WAKELOCK(display) || !display->params.enable_dmc_wl)
+ intel_dmc_wl_sanitize_param(display);
+
+ if (!display->params.enable_dmc_wl)
return;
INIT_DELAYED_WORK(&wl->work, intel_dmc_wl_work);
--
2.47.0
More information about the Intel-gfx
mailing list