From: shanlong.li <shanlong.li@starfivetech.com>
Date: Fri, 1 Jul 2022 11:57:19 +0000 (-0700)
Subject: driver:GPU: use pm runtime interface
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=e4d3672cccbe82d6943a63adea8f15d6812e77f2;p=platform%2Fkernel%2Flinux-starfive.git

driver:GPU: use pm runtime interface

use pm runtime interface

Signed-off-by: shanlong.li <shanlong.li@starfivetech.com>
---

diff --git a/drivers/gpu/drm/img/img-rogue/services/system/rogue/sf_7110/sysconfig.c b/drivers/gpu/drm/img/img-rogue/services/system/rogue/sf_7110/sysconfig.c
index 74a0eff..b4c915a 100644
--- a/drivers/gpu/drm/img/img-rogue/services/system/rogue/sf_7110/sysconfig.c
+++ b/drivers/gpu/drm/img/img-rogue/services/system/rogue/sf_7110/sysconfig.c
@@ -67,7 +67,7 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #include "linux/highmem.h"
 
 #include "kernel_compatibility.h"
-
+#include <linux/pm_runtime.h>
 
 struct sf7110_cfg  sf_cfg_t = {0,};
 
@@ -226,6 +226,7 @@ static int create_sf7110_cfg(struct device *dev)
 {
 	struct sf7110_cfg *psf = &sf_cfg_t;
 
+	psf->dev = dev;
 	mutex_init(&psf->set_power_state);
 	psf->gpu_reg_base = ioremap(STARFIVE_7110_GPU_PBASE, STARFIVE_7110_GPU_SIZE);
 	if(!psf->gpu_reg_base)
@@ -308,8 +309,14 @@ void u0_img_gpu_disable(void)
 
 static int sys_gpu_enable(void)
 {
-	//FIXME: PMU operation shall be implemented in its own module
-	starfive_power_domain_set(POWER_DOMAIN_GPUA,1);
+	int ret;
+	
+	pm_runtime_enable(sf_cfg_t.dev);
+	ret = pm_runtime_get_sync(sf_cfg_t.dev);
+	if (ret < 0) {
+		dev_err(sf_cfg_t.dev, "gpu: failed to get pm runtime: %d\n", ret);
+		return ret;
+	}
 	starfive_pmu_hw_event_turn_off_mask(0);
 	clk_prepare_enable(sf_cfg_t.clk_axi);
 	u0_img_gpu_enable();
@@ -320,7 +327,8 @@ static int sys_gpu_disable(void)
 {
 	u0_img_gpu_disable();
 	starfive_pmu_hw_event_turn_off_mask((uint32_t)-1);
-	starfive_power_domain_set(POWER_DOMAIN_GPUA,0);
+	pm_runtime_put_sync(sf_cfg_t.dev);
+	//pm_runtime_disable(sf_cfg_t.dev);
 	return 0;
 }
 
diff --git a/drivers/gpu/drm/img/img-rogue/services/system/rogue/sf_7110/sysconfig.h b/drivers/gpu/drm/img/img-rogue/services/system/rogue/sf_7110/sysconfig.h
index 712570a..0673a46 100644
--- a/drivers/gpu/drm/img/img-rogue/services/system/rogue/sf_7110/sysconfig.h
+++ b/drivers/gpu/drm/img/img-rogue/services/system/rogue/sf_7110/sysconfig.h
@@ -70,6 +70,7 @@ struct sf7110_cfg {
 
 	/* for gpu device freq/volt update, to be fill later */
 	//struct clk **top_clk;
+	struct device *dev;
 };
 
 #define mk_crg_offset(x)  ((x) - (U0_SYS_CRG__SAIF_BD_APBS__BASE_ADDR))