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 (file)
--- 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 (file)
--- 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))