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authorStephane Viau <sviau@codeaurora.org>2015-03-09 09:11:04 -0400
committerRob Clark <robdclark@gmail.com>2015-04-01 19:29:36 -0400
commitf52538125e4dfb2a74f2efd915430d6fc39d0124 (patch)
tree9405664914de9acf8f00d7767b90230de6134f03 /drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c
parentba474a02cb1009574a7cdcc29de9ca2d0b3c6df6 (diff)
downloadlinux-f52538125e4dfb2a74f2efd915430d6fc39d0124.tar.bz2
drm/msm/mdp5: Separate MDP5 domain from MDSS domain
MDP block is actually contained inside the MDSS block. For some chipsets, the base address of the MDP registers is different from the current (assumed) 0x100 offset. Like CTL and LM blocks, this changes introduce a dynamic offset for the MDP instance, which can be found out at runtime, once the MDSS HW version is read. 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.c9
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 7e03af56206a..e7ab89dddcf6 100644
--- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c
+++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c
@@ -58,7 +58,7 @@ static int mdp5_hw_init(struct msm_kms *kms)
*/
spin_lock_irqsave(&mdp5_kms->resource_lock, flags);
- mdp5_write(mdp5_kms, REG_MDP5_DISP_INTF_SEL, 0);
+ mdp5_write(mdp5_kms, REG_MDP5_MDP_DISP_INTF_SEL(0), 0);
spin_unlock_irqrestore(&mdp5_kms->resource_lock, flags);
mdp5_ctlm_hw_reset(mdp5_kms->ctlm);
@@ -296,11 +296,11 @@ static void read_hw_revision(struct mdp5_kms *mdp5_kms,
uint32_t version;
mdp5_enable(mdp5_kms);
- version = mdp5_read(mdp5_kms, REG_MDP5_MDP_VERSION);
+ version = mdp5_read(mdp5_kms, REG_MDSS_HW_VERSION);
mdp5_disable(mdp5_kms);
- *major = FIELD(version, MDP5_MDP_VERSION_MAJOR);
- *minor = FIELD(version, MDP5_MDP_VERSION_MINOR);
+ *major = FIELD(version, MDSS_HW_VERSION_MAJOR);
+ *minor = FIELD(version, MDSS_HW_VERSION_MINOR);
DBG("MDP5 version v%d.%d", *major, *minor);
}
@@ -343,6 +343,7 @@ struct msm_kms *mdp5_kms_init(struct drm_device *dev)
mdp5_kms->dev = dev;
+ /* mdp5_kms->mmio actually represents the MDSS base address */
mdp5_kms->mmio = msm_ioremap(pdev, "mdp_phys", "MDP5");
if (IS_ERR(mdp5_kms->mmio)) {
ret = PTR_ERR(mdp5_kms->mmio);