On Tue, Jan 15, 2019 at 1:24 PM Liviu Dudau <Liviu.Dudau@xxxxxxx> wrote: > > On Tue, Jan 15, 2019 at 01:05:47PM +0100, Daniel Vetter wrote: > > On Mon, Jan 14, 2019 at 03:28:27PM +0000, Ayan Halder wrote: > > > One needs to translate the Gralloc buffer flags for AFBC (eg > > > MALI_GRALLOC_INTFMT_AFBC_BASIC) to the corresponding linux kernel drm modifiers. > > > This gets passed to libdrm via drmModeAddFB2WithModifiers. > > > > > > Signed-off-by: Ayan Kumar Halder <ayan.halder@xxxxxxx> > > > > > > /-- Note for reviewer > > > I was able to get this working for Android P on Juno with Mali DP650 and Mali > > > T860 gpu(with some additional hacks). I have not yet validated this hikey960. > > > > > > I have used the following components:- > > > 1. Gralloc (from https://android.googlesource.com/device/linaro/hikey/+/master/gralloc960) > > > - Built with MALI_MMSS=1 > > > 2. Libdrm (from git://anongit.freedesktop.org/mesa/drm) > > > - You would need drm_fourcc.h and gralloc_handle.h > > > --/ > > > > I thought drm_hwcomposer has switched over to gitlab merge requests? > > README at least says so: > > > > https://gitlab.freedesktop.org/drm-hwcomposer/drm-hwcomposer > > So are we to send pull requests for RFCs as well? Hm, not sure you should stuff RFC material into your linux-next branches. I thought that's only for patches which by all intents are ready for the next merge window, i.e. reviewed&tested and all that. Not for in-flight stuff still under discussion. -Daniel > Best regards, > Liviu > > > > > Cheers, Daniel > > > > > --- > > > platformdrmgeneric.cpp | 42 ++++++++++++++++++++++++++++++++++++++++++ > > > platformdrmgeneric.h | 2 ++ > > > platformhisi.cpp | 14 ++++++++++++-- > > > 3 files changed, 56 insertions(+), 2 deletions(-) > > > > > > diff --git a/platformdrmgeneric.cpp b/platformdrmgeneric.cpp > > > index 503c04a..a520224 100644 > > > --- a/platformdrmgeneric.cpp > > > +++ b/platformdrmgeneric.cpp > > > @@ -18,6 +18,7 @@ > > > > > > #include "platformdrmgeneric.h" > > > #include "drmdevice.h" > > > +#include "mali_gralloc_formats.h" > > > #include "platform.h" > > > > > > #include <drm/drm_fourcc.h> > > > @@ -83,6 +84,31 @@ uint32_t DrmGenericImporter::ConvertHalFormatToDrm(uint32_t hal_format) { > > > } > > > } > > > > > > +uint64_t DrmGenericImporter::ConvertGrallocFormatToDrmModifiers(uint64_t flags, > > > + bool is_rgb) { > > > + uint64_t features = 0; > > > + > > > + if (flags & MALI_GRALLOC_INTFMT_AFBC_BASIC) > > > + features |= AFBC_FORMAT_MOD_BLOCK_SIZE_16x16; > > > + > > > + if (is_rgb) > > > + features |= AFBC_FORMAT_MOD_YTR; > > > + > > > + if (flags & MALI_GRALLOC_INTFMT_AFBC_SPLITBLK) > > > + features |= (AFBC_FORMAT_MOD_SPLIT | AFBC_FORMAT_MOD_SPARSE); > > > + > > > + if (flags & MALI_GRALLOC_INTFMT_AFBC_WIDEBLK) > > > + features |= AFBC_FORMAT_MOD_BLOCK_SIZE_32x8; > > > + > > > + if (flags & MALI_GRALLOC_INTFMT_AFBC_TILED_HEADERS) > > > + features |= AFBC_FORMAT_MOD_TILED; > > > + > > > + if (features) > > > + return DRM_FORMAT_MOD_ARM_AFBC(features); > > > + else > > > + return 0; > > > +} > > > + > > > uint32_t DrmGenericImporter::DrmFormatToBitsPerPixel(uint32_t drm_format) { > > > switch (drm_format) { > > > case DRM_FORMAT_ARGB8888: > > > @@ -101,6 +127,22 @@ uint32_t DrmGenericImporter::DrmFormatToBitsPerPixel(uint32_t drm_format) { > > > } > > > } > > > > > > +bool DrmGenericImporter::IsDrmFormatRgb(uint32_t drm_format) { > > > + switch (drm_format) { > > > + case DRM_FORMAT_ARGB8888: > > > + case DRM_FORMAT_XBGR8888: > > > + case DRM_FORMAT_ABGR8888: > > > + case DRM_FORMAT_BGR888: > > > + case DRM_FORMAT_BGR565: > > > + return true; > > > + case DRM_FORMAT_YVU420: > > > + return false; > > > + default: > > > + ALOGE("Unsupported format %u assuming rgb?", drm_format); > > > + return true; > > > + } > > > +} > > > + > > > int DrmGenericImporter::ImportBuffer(buffer_handle_t handle, hwc_drm_bo_t *bo) { > > > gralloc_handle_t *gr_handle = gralloc_handle(handle); > > > if (!gr_handle) > > > diff --git a/platformdrmgeneric.h b/platformdrmgeneric.h > > > index 233ba55..43cb618 100644 > > > --- a/platformdrmgeneric.h > > > +++ b/platformdrmgeneric.h > > > @@ -36,6 +36,8 @@ class DrmGenericImporter : public Importer { > > > bool CanImportBuffer(buffer_handle_t handle) override; > > > > > > uint32_t ConvertHalFormatToDrm(uint32_t hal_format); > > > + uint64_t ConvertGrallocFormatToDrmModifiers(uint64_t flags, bool is_rgb); > > > + bool IsDrmFormatRgb(uint32_t drm_format); > > > uint32_t DrmFormatToBitsPerPixel(uint32_t drm_format); > > > > > > private: > > > diff --git a/platformhisi.cpp b/platformhisi.cpp > > > index 76fe1e7..1cb7e2c 100644 > > > --- a/platformhisi.cpp > > > +++ b/platformhisi.cpp > > > @@ -71,6 +71,9 @@ int HisiImporter::Init() { > > > } > > > > > > int HisiImporter::ImportBuffer(buffer_handle_t handle, hwc_drm_bo_t *bo) { > > > + bool is_rgb; > > > + uint64_t modifiers[4] = {0}; > > > + > > > memset(bo, 0, sizeof(hwc_drm_bo_t)); > > > > > > private_handle_t const *hnd = reinterpret_cast<private_handle_t const *>( > > > @@ -94,6 +97,10 @@ int HisiImporter::ImportBuffer(buffer_handle_t handle, hwc_drm_bo_t *bo) { > > > if (fmt < 0) > > > return fmt; > > > > > > + is_rgb = IsDrmFormatRgb(fmt); > > > + modifiers[0] = ConvertGrallocFormatToDrmModifiers(hnd->internal_format, > > > + is_rgb); > > > + > > > bo->width = hnd->width; > > > bo->height = hnd->height; > > > bo->hal_format = hnd->req_format; > > > @@ -129,8 +136,11 @@ int HisiImporter::ImportBuffer(buffer_handle_t handle, hwc_drm_bo_t *bo) { > > > break; > > > } > > > > > > - ret = drmModeAddFB2(drm_->fd(), bo->width, bo->height, bo->format, > > > - bo->gem_handles, bo->pitches, bo->offsets, &bo->fb_id, 0); > > > + ret = drmModeAddFB2WithModifiers(drm_->fd(), bo->width, bo->height, > > > + bo->format, bo->gem_handles, bo->pitches, > > > + bo->offsets, modifiers, &bo->fb_id, > > > + modifiers[0] ? DRM_MODE_FB_MODIFIERS : 0); > > > + > > > if (ret) { > > > ALOGE("could not create drm fb %d", ret); > > > return ret; > > > -- > > > 2.7.4 > > > > > > _______________________________________________ > > > dri-devel mailing list > > > dri-devel@xxxxxxxxxxxxxxxxxxxxx > > > https://lists.freedesktop.org/mailman/listinfo/dri-devel > > > > -- > > Daniel Vetter > > Software Engineer, Intel Corporation > > http://blog.ffwll.ch > > -- > ==================== > | I would like to | > | fix the world, | > | but they're not | > | giving me the | > \ source code! / > --------------- > ¯\_(ツ)_/¯ > _______________________________________________ > dri-devel mailing list > dri-devel@xxxxxxxxxxxxxxxxxxxxx > https://lists.freedesktop.org/mailman/listinfo/dri-devel -- Daniel Vetter Software Engineer, Intel Corporation +41 (0) 79 365 57 48 - http://blog.ffwll.ch _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
