drm/msm/dpu: enable virtual planes by default

Turn on the switch and use virtual planes by default, enhancing
utilisation of the display pipelines. It is still possible to use legacy
implementation by using `msm.dpu_use_virtual_planes=false` kernel boot
parameter.

Acked-by: Neil Armstrong <neil.armstrong@linaro.org>
Acked-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Tested-by: Val Packett <val@packett.cool> # x1e80100-dell-latitude-7455,
Patchwork: https://patchwork.freedesktop.org/patch/707437/
Link: https://lore.kernel.org/r/20260226-dpu-enable-virt-planes-v2-1-87971236fe86@oss.qualcomm.com
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
index 0623f1dbed97bcd1e210e0df323ddf6ac4e7616d..7c5b3495bddf622a90e81e84a04b6b3fc9f4e558 100644 (file)
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
@@ -52,7 +52,7 @@
 #define DPU_DEBUGFS_DIR "msm_dpu"
 #define DPU_DEBUGFS_HWMASKNAME "hw_log_mask"
 
-bool dpu_use_virtual_planes;
+bool dpu_use_virtual_planes = true;
 module_param(dpu_use_virtual_planes, bool, 0);
 
 static int dpu_kms_hw_init(struct msm_kms *kms);