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drm/msm: Garbage collect unused resource _len fields.

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Nothing was using the lengths of these ioremaps.

Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Rob Clark <robdclark@chromium.org>
This commit is contained in:
Eric Anholt 2020-06-29 11:19:20 -07:00 committed by Rob Clark
parent b8afe9f87c
commit ecf9cd4899
3 changed files with 0 additions and 31 deletions
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21
drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
View File

@ -46,20 +46,6 @@
static int dpu_kms_hw_init(struct msm_kms *kms);
static void _dpu_kms_mmu_destroy(struct dpu_kms *dpu_kms);
static unsigned long dpu_iomap_size(struct platform_device *pdev,
const char *name)
{
struct resource *res;
res = platform_get_resource_byname(pdev, IORESOURCE_MEM, name);
if (!res) {
DRM_ERROR("failed to get memory resource: %s\n", name);
return 0;
}
return resource_size(res);
}
#ifdef CONFIG_DEBUG_FS
static int _dpu_danger_signal_status(struct seq_file *s,
bool danger_status)
@ -845,7 +831,6 @@ static int dpu_kms_hw_init(struct msm_kms *kms)
goto error;
}
DRM_DEBUG("mapped dpu address space @%pK\n", dpu_kms->mmio);
dpu_kms->mmio_len = dpu_iomap_size(dpu_kms->pdev, "mdp");
dpu_kms->vbif[VBIF_RT] = msm_ioremap(dpu_kms->pdev, "vbif", "vbif");
if (IS_ERR(dpu_kms->vbif[VBIF_RT])) {
@ -854,22 +839,16 @@ static int dpu_kms_hw_init(struct msm_kms *kms)
dpu_kms->vbif[VBIF_RT] = NULL;
goto error;
}
dpu_kms->vbif_len[VBIF_RT] = dpu_iomap_size(dpu_kms->pdev, "vbif");
dpu_kms->vbif[VBIF_NRT] = msm_ioremap(dpu_kms->pdev, "vbif_nrt", "vbif_nrt");
if (IS_ERR(dpu_kms->vbif[VBIF_NRT])) {
dpu_kms->vbif[VBIF_NRT] = NULL;
DPU_DEBUG("VBIF NRT is not defined");
} else {
dpu_kms->vbif_len[VBIF_NRT] = dpu_iomap_size(dpu_kms->pdev,
"vbif_nrt");
}
dpu_kms->reg_dma = msm_ioremap(dpu_kms->pdev, "regdma", "regdma");
if (IS_ERR(dpu_kms->reg_dma)) {
dpu_kms->reg_dma = NULL;
DPU_DEBUG("REG_DMA is not defined");
} else {
dpu_kms->reg_dma_len = dpu_iomap_size(dpu_kms->pdev, "regdma");
}
pm_runtime_get_sync(&dpu_kms->pdev->dev);

1
drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h
View File

@ -100,7 +100,6 @@ struct dpu_kms {
/* io/register spaces: */
void __iomem *mmio, *vbif[VBIF_MAX], *reg_dma;
unsigned long mmio_len, vbif_len[VBIF_MAX], reg_dma_len;
struct regulator *vdd;
struct regulator *mmagic;

9
drivers/gpu/drm/msm/disp/dpu1/dpu_mdss.c
View File

@ -37,7 +37,6 @@ struct dpu_mdss_hw_init_handler {
struct dpu_mdss {
struct msm_mdss base;
void __iomem *mmio;
unsigned long mmio_len;
struct dss_module_power mp;
struct dpu_irq_controller irq_controller;
struct icc_path *path[2];
@ -292,7 +291,6 @@ int dpu_mdss_init(struct drm_device *dev)
{
struct platform_device *pdev = to_platform_device(dev->dev);
struct msm_drm_private *priv = dev->dev_private;
struct resource *res;
struct dpu_mdss *dpu_mdss;
struct dss_module_power *mp;
int ret = 0;
@ -308,13 +306,6 @@ int dpu_mdss_init(struct drm_device *dev)
DRM_DEBUG("mapped mdss address space @%pK\n", dpu_mdss->mmio);
res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "mdss");
if (!res) {
DRM_ERROR("failed to get memory resource for mdss\n");
return -ENOMEM;
}
dpu_mdss->mmio_len = resource_size(res);
ret = dpu_mdss_parse_data_bus_icc_path(dev, dpu_mdss);
if (ret)
return ret;