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exynos-drm fixes #37
exynos-drm fixes #37
Commits on Feb 24, 2014
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drm/exynos: mixer: set correct mode for range of resolutions
With this patch, mixer driver find the correct resolution mode for the range of resolutions, upto 1080 vertical lines. Resolution will be categorized to NTSC SD, PAL SD or HD and the correct mode is set to the mixer configuration register. Signed-off-by: Rahul Sharma <[email protected]> Signed-off-by: Sean Paul <[email protected]> Signed-off-by: Inki Dae <[email protected]>
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drm/exynos: do not use generic flags to dumb
This patch removes the use of dumb flags from driver. As Dave pointed out, the dumb flags are not driver specific so this should be removed from driver. Signed-off-by: Inki Dae <[email protected]> Signed-off-by: Kyungmin Park <[email protected]>
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drm/exynos: Debounce HDMI hotplug interrupts
This patch debounces hotplug interrupts generated by the HDMI hotplug gpio. The reason this is needed is that we get multiple (5) interrupts every time a monitor is inserted which causes us to needlessly enable and disable the IP block. BUG=chromium:220033 TEST=Many hotplugs without any 20s freeze Change-Id: I2d9a57e0a9206b2739de5234ba024b964afd038c Signed-off-by: Sean Paul <[email protected]> Reviewed-on: https://gerrit.chromium.org/gerrit/56289 Reviewed-by: Stéphane Marchesin <[email protected]> [rebased for 3.8 by Daniel Drake, eos-shell #1610]
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drm/exynos: wait for the completion of pending page flip
This patch fixes the issue that drm_vblank_get() is failed. The issus occurs when next page flip request is tried if previous page flip event wasn't completed yet and then dpms became off. So this patch make sure that page flip event is completed before dpms goes to off. Signed-off-by: Inki Dae <[email protected]> Signed-off-by: Kyungmin Park <[email protected]> Conflicts: drivers/gpu/drm/exynos/exynos_drm_crtc.c
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drm/exynos: power up HDMI before mixer
Testing on Exynos4412, when changing screen resolution under GNOME/X11, first DPMS is set to OFF via drm_mode_obj_set_property_ioctl. This is done via drm_hdmi_dpms which powers down the mixer then the HDMI component. Then the mode change happens. We then see this call chain, powering things back on: exynos_drm_crtc_commit exynos_drm_crtc_dpms exynos_drm_encoder_crtc_dpms drm_hdmi_dpms And at this point, drm_hdmi_dpms first powers on the mixer, then the HDMI component. Strangely enough, this works fine on the first resolution change, but on the second it hangs in mixer_poweron() in: mixer_reg_write(res, MXR_INT_EN, ctx->int_en); Through some experiments I determined that this register write will hang the machine here unless the hdmi_resources.hdmi clock is running. I can't explain why there is a difference between the first and second time; I did check that the underlying clock gating register has the same value in both cases. Anyway, the mixer clearly has some kind of dependency on the HDMI component, so lets make sure we power that up first. Signed-off-by: Daniel Drake <[email protected]>
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media/mfc: use shipped firmware paths
linux-firmware ships these files in /lib/firmware/s5p-mfc. Use these paths.
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Revert "HDMI_DDC I2C2 bus uses GPIO based bitbanging"
This reverts commit 98b6c57. The hardware offers us I2C capabilities directly. Why drive it as a GPIO and use CPU bit-banging to convert it back to I2C? http://forum.odroid.com/viewtopic.php?f=8&t=3850
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exynos-drm: hack in timing fixes for 1024x768
As discussed at http://article.gmane.org/gmane.linux.kernel.samsung-soc/25135 the 1024x768 timings don't quite work out of the box, for unknown reasons. However, massaging of the values in the way implemented in this patch makes the system usable, although it is missing the top row of pixels, and the rightmost column too. (to be fixed later, hopefully) Fix up 1280x1024 in the same way. [endlessm/eos-shell#1592]
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