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drm/msm/adreno: move decision about what gpu to to load 

Move this into into adreno_device, and decide based on gpu revision
rather than just assuming a3xx.

Signed-off-by: Rob Clark <robdclark@gmail.com>
This commit is contained in:
Rob Clark 2014-09-05 13:30:27 -04:00
parent bfd28b1362
commit e2550b7a7d
5 changed files with 128 additions and 99 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

112
drivers/gpu/drm/msm/adreno/adreno_device.c
View File

@ -21,6 +21,118 @@
# include <mach/kgsl.h>
#endif
#define ANY_ID 0xff
struct msm_gpu *a3xx_gpu_init(struct drm_device *dev);
static const struct adreno_info gpulist[] = {
{
.rev = ADRENO_REV(3, 0, 5, ANY_ID),
.revn = 305,
.name = "A305",
.pm4fw = "a300_pm4.fw",
.pfpfw = "a300_pfp.fw",
.gmem = SZ_256K,
.init = a3xx_gpu_init,
}, {
.rev = ADRENO_REV(3, 2, ANY_ID, ANY_ID),
.revn = 320,
.name = "A320",
.pm4fw = "a300_pm4.fw",
.pfpfw = "a300_pfp.fw",
.gmem = SZ_512K,
.init = a3xx_gpu_init,
}, {
.rev = ADRENO_REV(3, 3, 0, ANY_ID),
.revn = 330,
.name = "A330",
.pm4fw = "a330_pm4.fw",
.pfpfw = "a330_pfp.fw",
.gmem = SZ_1M,
.init = a3xx_gpu_init,
},
};
MODULE_FIRMWARE("a300_pm4.fw");
MODULE_FIRMWARE("a300_pfp.fw");
MODULE_FIRMWARE("a330_pm4.fw");
MODULE_FIRMWARE("a330_pfp.fw");
static inline bool _rev_match(uint8_t entry, uint8_t id)
{
return (entry == ANY_ID) || (entry == id);
}
const struct adreno_info *adreno_info(struct adreno_rev rev)
{
int i;
/* identify gpu: */
for (i = 0; i < ARRAY_SIZE(gpulist); i++) {
const struct adreno_info *info = &gpulist[i];
if (_rev_match(info->rev.core, rev.core) &&
_rev_match(info->rev.major, rev.major) &&
_rev_match(info->rev.minor, rev.minor) &&
_rev_match(info->rev.patchid, rev.patchid))
return info;
}
return NULL;
}
struct msm_gpu *adreno_load_gpu(struct drm_device *dev)
{
struct msm_drm_private *priv = dev->dev_private;
struct platform_device *pdev = priv->gpu_pdev;
struct adreno_platform_config *config;
struct adreno_rev rev;
const struct adreno_info *info;
struct msm_gpu *gpu = NULL;
if (!pdev) {
dev_err(dev->dev, "no adreno device\n");
return NULL;
}
config = pdev->dev.platform_data;
rev = config->rev;
info = adreno_info(config->rev);
if (!info) {
dev_warn(dev->dev, "Unknown GPU revision: %u.%u.%u.%u\n",
rev.core, rev.major, rev.minor, rev.patchid);
return NULL;
}
DBG("Found GPU: %u.%u.%u.%u", rev.core, rev.major,
rev.minor, rev.patchid);
gpu = info->init(dev);
if (IS_ERR(gpu)) {
dev_warn(dev->dev, "failed to load adreno gpu\n");
gpu = NULL;
/* not fatal */
}
if (gpu) {
int ret;
mutex_lock(&dev->struct_mutex);
gpu->funcs->pm_resume(gpu);
mutex_unlock(&dev->struct_mutex);
ret = gpu->funcs->hw_init(gpu);
if (ret) {
dev_err(dev->dev, "gpu hw init failed: %d\n", ret);
gpu->funcs->destroy(gpu);
gpu = NULL;
} else {
/* give inactive pm a chance to kick in: */
msm_gpu_retire(gpu);
}
}
return gpu;
}
static void set_gpu_pdev(struct drm_device *dev,
struct platform_device *pdev)
{

71
drivers/gpu/drm/msm/adreno/adreno_gpu.c
View File

@ -19,46 +19,6 @@
#include "msm_gem.h"
#include "msm_mmu.h"
struct adreno_info {
struct adreno_rev rev;
uint32_t revn;
const char *name;
const char *pm4fw, *pfpfw;
uint32_t gmem;
};
#define ANY_ID 0xff
static const struct adreno_info gpulist[] = {
{
.rev = ADRENO_REV(3, 0, 5, ANY_ID),
.revn = 305,
.name = "A305",
.pm4fw = "a300_pm4.fw",
.pfpfw = "a300_pfp.fw",
.gmem = SZ_256K,
}, {
.rev = ADRENO_REV(3, 2, ANY_ID, ANY_ID),
.revn = 320,
.name = "A320",
.pm4fw = "a300_pm4.fw",
.pfpfw = "a300_pfp.fw",
.gmem = SZ_512K,
}, {
.rev = ADRENO_REV(3, 3, 0, ANY_ID),
.revn = 330,
.name = "A330",
.pm4fw = "a330_pm4.fw",
.pfpfw = "a330_pfp.fw",
.gmem = SZ_1M,
},
};
MODULE_FIRMWARE("a300_pm4.fw");
MODULE_FIRMWARE("a300_pfp.fw");
MODULE_FIRMWARE("a330_pm4.fw");
MODULE_FIRMWARE("a330_pfp.fw");
#define RB_SIZE SZ_32K
#define RB_BLKSIZE 16
@ -304,42 +264,17 @@ static const char *iommu_ports[] = {
"gfx3d1_user", "gfx3d1_priv",
};
static inline bool _rev_match(uint8_t entry, uint8_t id)
{
return (entry == ANY_ID) || (entry == id);
}
int adreno_gpu_init(struct drm_device *drm, struct platform_device *pdev,
struct adreno_gpu *gpu, const struct adreno_gpu_funcs *funcs,
struct adreno_rev rev)
{
struct msm_mmu *mmu;
int i, ret;
/* identify gpu: */
for (i = 0; i < ARRAY_SIZE(gpulist); i++) {
const struct adreno_info *info = &gpulist[i];
if (_rev_match(info->rev.core, rev.core) &&
_rev_match(info->rev.major, rev.major) &&
_rev_match(info->rev.minor, rev.minor) &&
_rev_match(info->rev.patchid, rev.patchid)) {
gpu->info = info;
gpu->revn = info->revn;
break;
}
}
if (i == ARRAY_SIZE(gpulist)) {
dev_err(drm->dev, "Unknown GPU revision: %u.%u.%u.%u\n",
rev.core, rev.major, rev.minor, rev.patchid);
return -ENXIO;
}
DBG("Found GPU: %s (%u.%u.%u.%u)", gpu->info->name,
rev.core, rev.major, rev.minor, rev.patchid);
int ret;
gpu->funcs = funcs;
gpu->info = adreno_info(rev);
gpu->gmem = gpu->info->gmem;
gpu->revn = gpu->info->revn;
gpu->rev = rev;
ret = request_firmware(&gpu->pm4, gpu->info->pm4fw, drm->dev);

11
drivers/gpu/drm/msm/adreno/adreno_gpu.h
View File

@ -39,7 +39,16 @@ struct adreno_gpu_funcs {
struct msm_gpu_funcs base;
};
struct adreno_info;
struct adreno_info {
struct adreno_rev rev;
uint32_t revn;
const char *name;
const char *pm4fw, *pfpfw;
uint32_t gmem;
struct msm_gpu *(*init)(struct drm_device *dev);
};
const struct adreno_info *adreno_info(struct adreno_rev rev);
struct adreno_rbmemptrs {
volatile uint32_t rptr;

31
drivers/gpu/drm/msm/msm_drv.c
View File

@ -315,39 +315,12 @@ static void load_gpu(struct drm_device *dev)
{
static DEFINE_MUTEX(init_lock);
struct msm_drm_private *priv = dev->dev_private;
struct msm_gpu *gpu;
mutex_lock(&init_lock);
if (priv->gpu)
goto out;
if (!priv->gpu)
priv->gpu = adreno_load_gpu(dev);
gpu = a3xx_gpu_init(dev);
if (IS_ERR(gpu)) {
dev_warn(dev->dev, "failed to load a3xx gpu\n");
gpu = NULL;
/* not fatal */
}
if (gpu) {
int ret;
mutex_lock(&dev->struct_mutex);
gpu->funcs->pm_resume(gpu);
mutex_unlock(&dev->struct_mutex);
ret = gpu->funcs->hw_init(gpu);
if (ret) {
dev_err(dev->dev, "gpu hw init failed: %d\n", ret);
gpu->funcs->destroy(gpu);
gpu = NULL;
} else {
/* give inactive pm a chance to kick in: */
msm_gpu_retire(gpu);
}
}
priv->gpu = gpu;
out:
mutex_unlock(&init_lock);
}

2
drivers/gpu/drm/msm/msm_gpu.h
View File

@ -166,7 +166,7 @@ int msm_gpu_init(struct drm_device *drm, struct platform_device *pdev,
const char *name, const char *ioname, const char *irqname, int ringsz);
void msm_gpu_cleanup(struct msm_gpu *gpu);
struct msm_gpu *a3xx_gpu_init(struct drm_device *dev);
struct msm_gpu *adreno_load_gpu(struct drm_device *dev);
void __init adreno_register(void);
void __exit adreno_unregister(void);