kernel/linux.git/drivers/gpu/drm/mxsfb, branch v5.1.10

drm/irq: Don't check for DRIVER_HAVE_IRQ in drm_irq_(un)install

2019-01-29T14:45:06+00:00

If a non-legacy driver calls these it's valid to assume there is interrupt support. The flag is really only needed for legacy drivers, which control IRQ enabling/disabling through the DRM_IOCTL_CONTROL legacy IOCTL. Also remove all the flag usage from non-legacy drivers. v2: Review from Emil: - improve commit message - I forgot hibmc, fix that Cc: linux-arm-kernel@lists.infradead.org Cc: intel-gfx@lists.freedesktop.org Cc: linux-amlogic@lists.infradead.org Cc: linux-arm-msm@vger.kernel.org Cc: freedreno@lists.freedesktop.org Cc: virtualization@lists.linux-foundation.org Cc: spice-devel@lists.freedesktop.org Cc: amd-gfx@lists.freedesktop.org Cc: linux-renesas-soc@vger.kernel.org Reviewed-by: Emil Velikov Reviewed-by: Sam Ravnborg Signed-off-by: Daniel Vetter Link: https://patchwork.freedesktop.org/patch/msgid/20190129104248.26607-1-daniel.vetter@ffwll.ch

drm: Split out drm_probe_helper.h

2019-01-24T12:20:42+00:00

Having the probe helper stuff (which pretty much everyone needs) in the drm_crtc_helper.h file (which atomic drivers should never need) is confusing. Split them out. To make sure I actually achieved the goal here I went through all drivers. And indeed, all atomic drivers are now free of drm_crtc_helper.h includes. v2: Make it compile. There was so much compile fail on arm drivers that I figured I'll better not include any of the acks on v1. v3: Massive rebase because i915 has lost a lot of drmP.h includes, but not all: Through drm_crtc_helper.h > drm_modeset_helper.h -> drmP.h there was still one, which this patch largely removes. Which means rolling out lots more includes all over. This will also conflict with ongoing drmP.h cleanup by others I expect. v3: Rebase on top of atomic bochs. v4: Review from Laurent for bridge/rcar/omap/shmob/core bits: - (re)move some of the added includes, use the better include files in other places (all suggested from Laurent adopted unchanged). - sort alphabetically v5: Actually try to sort them, and while at it, sort all the ones I touch. v6: Rebase onto i915 changes. v7: Rebase once more. Acked-by: Harry Wentland Acked-by: Sam Ravnborg Cc: Sam Ravnborg Cc: Jani Nikula Cc: Laurent Pinchart Acked-by: Rodrigo Vivi Acked-by: Benjamin Gaignard Acked-by: Jani Nikula Acked-by: Neil Armstrong Acked-by: Oleksandr Andrushchenko Acked-by: CK Hu Acked-by: Alex Deucher Acked-by: Sam Ravnborg Reviewed-by: Laurent Pinchart Acked-by: Liviu Dudau Signed-off-by: Daniel Vetter Cc: linux-arm-kernel@lists.infradead.org Cc: virtualization@lists.linux-foundation.org Cc: etnaviv@lists.freedesktop.org Cc: linux-samsung-soc@vger.kernel.org Cc: intel-gfx@lists.freedesktop.org Cc: linux-mediatek@lists.infradead.org Cc: linux-amlogic@lists.infradead.org Cc: linux-arm-msm@vger.kernel.org Cc: freedreno@lists.freedesktop.org Cc: nouveau@lists.freedesktop.org Cc: spice-devel@lists.freedesktop.org Cc: amd-gfx@lists.freedesktop.org Cc: linux-renesas-soc@vger.kernel.org Cc: linux-rockchip@lists.infradead.org Cc: linux-stm32@st-md-mailman.stormreply.com Cc: linux-tegra@vger.kernel.org Cc: xen-devel@lists.xen.org Link: https://patchwork.freedesktop.org/patch/msgid/20190117210334.13234-1-daniel.vetter@ffwll.ch

drm/mxsfb: Use drm_fbdev_generic_setup()

2019-01-14T11:35:05+00:00

The CMA helper is already using the drm_fb_helper_generic_probe part of the generic fbdev emulation. This patch makes full use of the generic fbdev emulation by using its drm_client callbacks. This means that drm_mode_config_funcs->output_poll_changed and drm_driver->lastclose are now handled by the emulation code. Additionally fbdev unregister happens automatically on drm_dev_unregister(). The drm_fbdev_generic_setup() call is put after drm_dev_register() in the driver. This is done to highlight the fact that fbdev emulation is an internal client that makes use of the driver, it is not part of the driver as such. If fbdev setup fails, an error is printed, but the driver succeeds probing. Cc: Marek Vasut Signed-off-by: Noralf Trønnes Acked-by: Sam Ravnborg Link: https://patchwork.freedesktop.org/patch/msgid/20181128212713.43500-3-noralf@tronnes.org

drm: replace "drm_dev_unref" function with "drm_dev_put"

2018-11-24T21:12:54+00:00

This patch unifies the naming of DRM functions for reference counting as requested on Documentation/gpu/todo.rst Signed-off-by: Fernando Ramos Acked-by: Boris Brezillon Acked-by: Alexey Brodkin Acked-by: Stefan Agner Reviewed-by: Linus Walleij Signed-off-by: Linus Walleij Link: https://patchwork.freedesktop.org/patch/msgid/20181115221634.22715-4-greenfoo@gluegarage.com

drm/mxsfb: Switch to drm_atomic_helper_commit_tail_rpm

2018-09-26T20:07:40+00:00

The lcdif block is only powered on when display is active so plane updates when not enabled are not valid. Writing to an unpowered IP block is mostly ignored but can trigger bus errors on some chips. Prevent this situation by switching to drm_atomic_helper_commit_tail_rpm and having the drm core ensure atomic_plane_update is only called while the crtc is active. This avoids having to keep track of "enabled" bits inside the mxsfb driver. This also requires handling the vblank event for disable from mxsfb_pipe_disable. Signed-off-by: Leonard Crestez Suggested-by: Stefan Agner Reviewed-by: Stefan Agner Reviewed-by: Sean Paul Signed-off-by: Stefan Agner Link: https://patchwork.freedesktop.org/patch/msgid/c19c0c00ed42e8e8f7965aa4821ac295abc5cd05.1537191359.git.leonard.crestez@nxp.com

drm/mxsfb: Add PM_SLEEP support

2018-09-26T20:07:40+00:00

Since power to the lcdif block can be lost on suspend implement PM_SLEEP_OPS using drm_mode_config_helper_suspend/resume to save/restore the current mode. Signed-off-by: Leonard Crestez Reviewed-by: Stefan Agner Reviewed-by: Sean Paul Signed-off-by: Stefan Agner Link: https://patchwork.freedesktop.org/patch/msgid/cfa1a4083eefd112362e640deeb2e120584ac3f5.1537191359.git.leonard.crestez@nxp.com

drm/mxsfb: Add pm_runtime calls to pipe_enable/disable

2018-09-26T20:07:40+00:00

Adding lcdif nodes to a power domain currently results in black/corrupted screens or hangs because power is not correctly enabled when required. Ensure power is on when display is active by adding pm_runtime_get/put_sync to mxsfb_pipe_enable/disable. Signed-off-by: Leonard Crestez Reviewed-by: Stefan Agner Reviewed-by: Sean Paul Signed-off-by: Stefan Agner Link: https://patchwork.freedesktop.org/patch/msgid/ee88148399c63494cda4129b05444b0ac331b7a7.1537191359.git.leonard.crestez@nxp.com

drm/mxsfb: Fix initial corrupt frame when activating display

2018-09-26T20:07:40+00:00

LCDIF will repeatedly display data from CUR_BUF and set CUR_BUF to NEXT_BUF when done. Since we are only ever writing to NEXT_BUF the display will show an initial corrupt frame. Fix by writing the FB paddr to both CUR_BUF and NEXT_BUF when activating the CRTC. Signed-off-by: Leonard Crestez Tested-by: Philipp Zabel Reviewed-by: Stefan Agner Reviewed-by: Sean Paul Signed-off-by: Stefan Agner Link: https://patchwork.freedesktop.org/patch/msgid/7cdac9c064cc2b8a3d237934f186da98cefe6cb3.1537191359.git.leonard.crestez@nxp.com

drm/mxsfb: Move axi clk enable/disable to crtc enable/disable

2018-09-26T20:07:40+00:00

The main axi clk is disabled at the end of mxsfb_crtc_mode_set_nofb and immediately reenabled in mxsfb_enable_controller. Avoid this by moving the handling of axi clk one level up to mxsfb_crtc_enable. Do the same for mxsfb_crtc_disable for symmetry. This shouldn't have any functional effect. Signed-off-by: Leonard Crestez Reviewed-by: Stefan Agner Reviewed-by: Sean Paul Signed-off-by: Stefan Agner Link: https://patchwork.freedesktop.org/patch/msgid/985c1f1cad250bd9ca154b3e4b3f913c310eeabd.1537191359.git.leonard.crestez@nxp.com

drm/mxsfb: Use simple_display_pipe prepare_fb helper

2018-04-24T11:58:43+00:00

Signed-off-by: Daniel Vetter Cc: Marek Vasut Reviewed-by: Eric Anholt Link: https://patchwork.freedesktop.org/patch/msgid/20180405154449.23038-6-daniel.vetter@ffwll.ch