From 462faa84d518475f05171005ede02f79137f4a0d Mon Sep 17 00:00:00 2001
From: Wu Guoxing <b39297@freescale.com>
Date: Fri, 24 Feb 2012 09:12:31 +0800
Subject: [PATCH] ENGR00175305:gpu-viv:don't open 2d clock when operate only on
 3d

mx6dl do not have shader clock, and the shader clock is used
as 2d clock. so, operate differently for mx6q & mx6dl

Signed-off-by: Wu Guoxing <b39297@freescale.com>
Acked-by: Lily Zhang
---
 .../hal/os/linux/kernel/gc_hal_kernel_device.c  | 17 ++++++++++-------
 .../hal/os/linux/kernel/gc_hal_kernel_os.c      |  7 +++++--
 2 files changed, 15 insertions(+), 9 deletions(-)

diff --git a/drivers/mxc/gpu-viv/hal/os/linux/kernel/gc_hal_kernel_device.c b/drivers/mxc/gpu-viv/hal/os/linux/kernel/gc_hal_kernel_device.c
index 62aac98194ed..ed980bc5c52d 100644
--- a/drivers/mxc/gpu-viv/hal/os/linux/kernel/gc_hal_kernel_device.c
+++ b/drivers/mxc/gpu-viv/hal/os/linux/kernel/gc_hal_kernel_device.c
@@ -27,6 +27,7 @@
 #include <linux/mm.h>
 #include <linux/mman.h>
 #include <linux/slab.h>
+#include <mach/hardware.h>
 
 #define _GC_OBJ_ZONE    gcvZONE_DEVICE
 
@@ -382,13 +383,15 @@ gckGALDEVICE_Construct(
     if (IrqLine != -1) {
         device->clk_3d_core = clk_get(NULL, "gpu3d_clk");
         if (!IS_ERR(device->clk_3d_core)) {
-            device->clk_3d_shader = clk_get(NULL, "gpu3d_shader_clk");
-            if (IS_ERR(device->clk_3d_shader)) {
-                IrqLine = -1;
-                clk_put(device->clk_3d_core);
-                device->clk_3d_core = NULL;
-                device->clk_3d_shader = NULL;
-                gckOS_Print("galcore: clk_get gpu3d_shader_clk failed, disable 3d!\n");
+            if (cpu_is_mx6q()) {
+	            device->clk_3d_shader = clk_get(NULL, "gpu3d_shader_clk");
+	            if (IS_ERR(device->clk_3d_shader)) {
+	                IrqLine = -1;
+	                clk_put(device->clk_3d_core);
+	                device->clk_3d_core = NULL;
+	                device->clk_3d_shader = NULL;
+	                gckOS_Print("galcore: clk_get gpu3d_shader_clk failed, disable 3d!\n");
+	            }
             }
         } else {
             IrqLine = -1;
diff --git a/drivers/mxc/gpu-viv/hal/os/linux/kernel/gc_hal_kernel_os.c b/drivers/mxc/gpu-viv/hal/os/linux/kernel/gc_hal_kernel_os.c
index 0f0d05c47f13..3cd8e247ee58 100644
--- a/drivers/mxc/gpu-viv/hal/os/linux/kernel/gc_hal_kernel_os.c
+++ b/drivers/mxc/gpu-viv/hal/os/linux/kernel/gc_hal_kernel_os.c
@@ -31,6 +31,7 @@
 #include <asm/atomic.h>
 #include <linux/dma-mapping.h>
 #include <linux/slab.h>
+#include <mach/hardware.h>
 #if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,23)
 #include <linux/math64.h>
 #endif
@@ -6854,7 +6855,8 @@ gckOS_SetGPUPower(
         case gcvCORE_MAJOR:
             if (!Os->device->clk_flag[gcvCORE_MAJOR]) {
                 clk_enable(clk_3dcore);
-                clk_enable(clk_3dshader);
+                if (cpu_is_mx6q())
+                    clk_enable(clk_3dshader);
             }
             Os->device->clk_flag[gcvCORE_MAJOR] = gcvTRUE;
             break;
@@ -6877,7 +6879,8 @@ gckOS_SetGPUPower(
         switch (Core) {
         case gcvCORE_MAJOR:
             if (Os->device->clk_flag[gcvCORE_MAJOR]) {
-                clk_disable(clk_3dshader);
+                if (cpu_is_mx6q())
+                    clk_disable(clk_3dshader);
                 clk_disable(clk_3dcore);
             }
             Os->device->clk_flag[gcvCORE_MAJOR] = gcvFALSE;
-- 
2.39.2