On Tue, Oct 28, 2014 at 1:41 AM, Sean Paul <seanpaul@xxxxxxxxxxxx> wrote: > On Wed, Aug 27, 2014 at 10:29 AM, Ajay Kumar <ajaykumar.rs@xxxxxxxxxxx> wrote: >> A set of helper functions are defined in this patch to make >> bridge driver probe independent of the drm flow. >> >> The bridge devices register themselves on a lookup table >> when they get probed by calling "drm_bridge_add". >> >> The parent encoder driver waits till the bridge is available >> in the lookup table(by calling "of_drm_find_bridge") and then >> continues with its initialization. >> >> The encoder driver should also call "drm_bridge_attach" to pass >> on the drm_device, encoder pointers to the bridge object. >> >> drm_bridge_attach inturn calls drm_bridge_init to register itself >> with the drm core. Later, it calls "bridge->funcs->attach" so that >> bridge can continue with other initializations. >> >> Signed-off-by: Ajay Kumar <ajaykumar.rs@xxxxxxxxxxx> >> --- >> drivers/gpu/drm/Makefile | 1 + >> drivers/gpu/drm/bridge/Kconfig | 15 ++++- >> drivers/gpu/drm/drm_bridge.c | 102 ++++++++++++++++++++++++++++++++ >> drivers/gpu/drm/drm_crtc.c | 4 +- >> drivers/gpu/drm/msm/hdmi/hdmi_bridge.c | 4 +- >> include/drm/drm_crtc.h | 12 +++- >> 6 files changed, 131 insertions(+), 7 deletions(-) >> create mode 100644 drivers/gpu/drm/drm_bridge.c >> >> diff --git a/drivers/gpu/drm/Makefile b/drivers/gpu/drm/Makefile >> index 4a55d59..bdbfb6f 100644 >> --- a/drivers/gpu/drm/Makefile >> +++ b/drivers/gpu/drm/Makefile >> @@ -19,6 +19,7 @@ drm-y := drm_auth.o drm_buffer.o drm_bufs.o drm_cache.o \ >> drm-$(CONFIG_COMPAT) += drm_ioc32.o >> drm-$(CONFIG_DRM_GEM_CMA_HELPER) += drm_gem_cma_helper.o >> drm-$(CONFIG_PCI) += ati_pcigart.o >> +drm-$(CONFIG_DRM_BRIDGE) += drm_bridge.o >> drm-$(CONFIG_DRM_PANEL) += drm_panel.o >> drm-$(CONFIG_OF) += drm_of.o >> >> diff --git a/drivers/gpu/drm/bridge/Kconfig b/drivers/gpu/drm/bridge/Kconfig >> index 884923f..5a8e907 100644 >> --- a/drivers/gpu/drm/bridge/Kconfig >> +++ b/drivers/gpu/drm/bridge/Kconfig >> @@ -1,5 +1,16 @@ >> -config DRM_PTN3460 >> - tristate "PTN3460 DP/LVDS bridge" >> +config DRM_BRIDGE > > I'm not convinced this adds any value, to be honest. Hmm, then how to compile drm_bridge.c? > In addition to > whether or not it's useful, it seems like you'd need to stub the > drm_bridge_* functions that are declared in drm_crtc.h or break them > out into drm_bridge.h. Well, Thierry mentioned about this long back. Again, we have the confirmation now! Ajay [snip] -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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