diff options
| author |   Stephane Viau <sviau@codeaurora.org> | 2014-11-17 13:39:34 -0500 |
|---|---|---|
| committer |   Rob Clark <robdclark@gmail.com> | 2014-11-21 08:56:18 -0500 |
| commit | 3f307963fc07953b56b51b18ed47416bf340320f (patch) | |
| tree | 577af5a82652a10d30dd6cdbb206b7611be0177e /drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c | |
| parent | drm/msm/mdp5: use irqdomains (diff) | |
| download | wireguard-linux-3f307963fc07953b56b51b18ed47416bf340320f.tar.xz wireguard-linux-3f307963fc07953b56b51b18ed47416bf340320f.zip | |
drm/msm/mdp5: get the core clock rate from MDP5 config
The core clock rate depends on the hw configuration. Once we have
read the hardware revision, we can set the core clock to its
maximum value.
Before then, the clock is set at a rate supported by all MDP5
revisions.
Signed-off-by: Stephane Viau <sviau@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
Diffstat (limited to 'drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c')
| -rw-r--r-- | drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c index 6c414db6ff02..1cb91bef2bc1 100644 --- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c +++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c @@ -62,6 +62,7 @@ static const struct mdp5_config msm8x74_config = { .count = 4, .base = { 0x12500, 0x12700, 0x12900, 0x12b00 }, }, + .max_clk = 200000000, }; static const struct mdp5_config apq8084_config = { @@ -99,6 +100,7 @@ static const struct mdp5_config apq8084_config = { .count = 5, .base = { 0x12500, 0x12700, 0x12900, 0x12b00, 0x12d00 }, }, + .max_clk = 320000000, }; struct mdp5_config_entry { @@ -427,12 +429,13 @@ struct msm_kms *mdp5_kms_init(struct drm_device *dev) if (ret) goto fail; - ret = clk_set_rate(mdp5_kms->src_clk, config->max_clk); - ret = mdp5_select_hw_cfg(kms); if (ret) goto fail; + /* TODO: compute core clock rate at runtime */ + clk_set_rate(mdp5_kms->src_clk, mdp5_kms->hw_cfg->max_clk); + /* make sure things are off before attaching iommu (bootloader could * have left things on, in which case we'll start getting faults if * we don't disable): @@ -493,8 +496,6 @@ static struct mdp5_platform_config *mdp5_get_config(struct platform_device *dev) /* TODO */ #endif config.iommu = iommu_domain_alloc(&platform_bus_type); - /* TODO hard-coded in downstream mdss, but should it be? */ - config.max_clk = 200000000; /* TODO get from DT: */ config.smp_blk_cnt = 22; |