arm64: dts: qcom: sm8150: Don't start Adreno in headless mode

Now that there's display support, there is no reason to assume the default
mode for Adreno should be headless. Keep it like that for boards that
previously enabled it, so as not to create regressions though.

Tested-by: Marijn Suijten <marijn.suijten@somainline.org> # On Sony Xperia 5
Reviewed-by: Marijn Suijten <marijn.suijten@somainline.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230331-topic-konahana_speedbin-v3-3-2dede22dd7f7@linaro.org

Author: konradybcio

arch/arm64/boot/dts/qcom/sm8150-hdk.dts

@@ -359,6 +359,11 @@
 };
 
 &gpu {
+	/*
+	 * NOTE: "amd,imageon" makes Adreno start in headless mode, remove it
+	 * after display support is added on this board.
+	 */
+	compatible = "qcom,adreno-640.1", "qcom,adreno", "amd,imageon";
 	status = "okay";
 };
 

arch/arm64/boot/dts/qcom/sm8150-mtp.dts

@@ -354,6 +354,11 @@
 };
 
 &gpu {
+	/*
+	 * NOTE: "amd,imageon" makes Adreno start in headless mode, remove it
+	 * after display support is added on this board.
+	 */
+	compatible = "qcom,adreno-640.1", "qcom,adreno", "amd,imageon";
 	status = "okay";
 };
 

arch/arm64/boot/dts/qcom/sm8150.dtsi

@@ -2153,15 +2153,7 @@
 		};
 
 		gpu: gpu@2c00000 {
-			/*
-			 * note: the amd,imageon compatible makes it possible
-			 * to use the drm/msm driver without the display node,
-			 * make sure to remove it when display node is added
-			 */
-			compatible = "qcom,adreno-640.1",
-				     "qcom,adreno",
-				     "amd,imageon";
-
+			compatible = "qcom,adreno-640.1", "qcom,adreno";
 			reg = <0 0x02c00000 0 0x40000>;
 			reg-names = "kgsl_3d0_reg_memory";