Hello, This series looks good. Tomi, could you get it merged through drm-misc ? On Tue, Jan 23, 2024 at 06:53:57PM -0800, Anatoliy Klymenko wrote: > Add few missing pieces to support ZynqMP DPSUB live video in mode. > > ZynqMP DPSUB supports 2 modes of operations in regard to video data > input. > > In the first mode, DPSUB uses DMA engine to pull video data from memory > buffers. To support this the driver implements CRTC and DRM bridge > representing DP encoder. > > In the second mode, DPSUB acquires video data pushed from FPGA and > passes it downstream to DP output. This mode of operation is modeled in > the driver as a DRM bridge that should be attached to some external > CRTC. > > Patches 1/5,2/5,3/5,4/5 are minor fixes. > > DPSUB requires input live video format to be configured. > Patch 5/5: The DP Subsystem requires the input live video format to be > configured. In this patch, we are assuming that the CRTC's bus format is > fixed (typical for FPGA CRTC) and comes from the device tree. This is a > proposed solution, as there is no API to query CRTC output bus format > or negotiate it in any other way. > > Changes in v2: > - Address reviewers' comments: > - More elaborate and consistent comments / commit messages > - Fix includes' order > - Replace of_property_read_u32_index() with of_property_read_u32() > > Changes in v3: > - Split patch #3 into 3) moving status register clear immediately after > read; 4) masking status against interrupts' mask > > Link to v1: https://lore.kernel.org/all/20240112234222.913138-1-anatoliy.klymenko@xxxxxxx/ > Link to v2: https://lore.kernel.org/all/20240119055437.2549149-1-anatoliy.klymenko@xxxxxxx/ > > Anatoliy Klymenko (5): > drm: xlnx: zynqmp_dpsub: Make drm bridge discoverable > drm: xlnx: zynqmp_dpsub: Fix timing for live mode > drm: xlnx: zynqmp_dpsub: Clear status register ASAP > drm: xlnx: zynqmp_dpsub: Filter interrupts against mask > drm: xlnx: zynqmp_dpsub: Set live video in format > > drivers/gpu/drm/xlnx/zynqmp_disp.c | 111 +++++++++++++++++++++--- > drivers/gpu/drm/xlnx/zynqmp_disp.h | 3 +- > drivers/gpu/drm/xlnx/zynqmp_disp_regs.h | 8 +- > drivers/gpu/drm/xlnx/zynqmp_dp.c | 16 +++- > drivers/gpu/drm/xlnx/zynqmp_kms.c | 2 +- > 5 files changed, 119 insertions(+), 21 deletions(-) -- Regards, Laurent Pinchart
