* [PATCH] drm/kms/atomic: Used existing func for checking fb geometry [not found] <CGME20180727083812epcas5p39f97180e85def2b4b4c1b68af2e83b41@epcas5p3.samsung.com> @ 2018-07-27 8:38 ` Satendra Singh Thakur 2018-07-27 9:51 ` Maarten Lankhorst 0 siblings, 1 reply; 5+ messages in thread From: Satendra Singh Thakur @ 2018-07-27 8:38 UTC (permalink / raw) To: Gustavo Padovan, Maarten Lankhorst, Sean Paul, David Airlie, dri-devel, linux-kernel Cc: vineet.j, hemanshu.s, sst2005, Satendra Singh Thakur 1.In the func drm_atomic_plane_check, the fb geometry checking code can be replaced by func drm_framebuffer_check_src_coords, this will remove several redundant lines of code. 2. Currently, in the func drm_atomic_plane_check; there are 3 if statements in the beginning with total 5 conditions. these conditions are crtc is NULL but fb is non-NULL if (state->crtc && !state->fb) crtc is non-NULL but fb is NULL if (state->fb && !state->crtc) crtc is NULL (and fb is also NULL) if (!state->crtc) The same code can be re-written using 2 if statements and 4 conditions. first we check whether crtc and fb both are NULL if (!state->crtc && !state->fb) then we check either crtc or fb is NULL if (!state->crtc || !state->fb) Signed-off-by: Satendra Singh Thakur <satendra.t@samsung.com> --- drivers/gpu/drm/drm_atomic.c | 37 +++++++++---------------------------- 1 file changed, 9 insertions(+), 28 deletions(-) diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c index 895741e..1cddab8 100644 --- a/drivers/gpu/drm/drm_atomic.c +++ b/drivers/gpu/drm/drm_atomic.c @@ -909,22 +909,16 @@ plane_switching_crtc(struct drm_atomic_state *state, static int drm_atomic_plane_check(struct drm_plane *plane, struct drm_plane_state *state) { - unsigned int fb_width, fb_height; int ret; - /* either *both* CRTC and FB must be set, or neither */ - if (state->crtc && !state->fb) { - DRM_DEBUG_ATOMIC("CRTC set but no FB\n"); - return -EINVAL; - } else if (state->fb && !state->crtc) { - DRM_DEBUG_ATOMIC("FB set but no CRTC\n"); - return -EINVAL; - } - /* if disabled, we don't care about the rest of the state: */ - if (!state->crtc) + if (!state->crtc && !state->fb) return 0; - + /* both CRTC and FB must be set*/ + if (!state->crtc || !state->fb) { + DRM_DEBUG_ATOMIC("Either no CRTC or no FB\n"); + return -EINVAL; + } /* Check whether this plane is usable on this CRTC */ if (!(plane->possible_crtcs & drm_crtc_mask(state->crtc))) { DRM_DEBUG_ATOMIC("Invalid crtc for plane\n"); @@ -954,24 +948,11 @@ static int drm_atomic_plane_check(struct drm_plane *plane, return -ERANGE; } - fb_width = state->fb->width << 16; - fb_height = state->fb->height << 16; - /* Make sure source coordinates are inside the fb. */ - if (state->src_w > fb_width || - state->src_x > fb_width - state->src_w || - state->src_h > fb_height || - state->src_y > fb_height - state->src_h) { - DRM_DEBUG_ATOMIC("Invalid source coordinates " - "%u.%06ux%u.%06u+%u.%06u+%u.%06u (fb %ux%u)\n", - state->src_w >> 16, ((state->src_w & 0xffff) * 15625) >> 10, - state->src_h >> 16, ((state->src_h & 0xffff) * 15625) >> 10, - state->src_x >> 16, ((state->src_x & 0xffff) * 15625) >> 10, - state->src_y >> 16, ((state->src_y & 0xffff) * 15625) >> 10, - state->fb->width, state->fb->height); + ret = drm_framebuffer_check_src_coords(state->src_x, state->src_y, + state->src_w, state->src_h, state->fb); + if (ret) return -ENOSPC; - } - if (plane_switching_crtc(state->state, plane, state)) { DRM_DEBUG_ATOMIC("[PLANE:%d:%s] switching CRTC directly\n", plane->base.id, plane->name); -- 2.7.4 ^ permalink raw reply related [flat|nested] 5+ messages in thread
* Re: [PATCH] drm/kms/atomic: Used existing func for checking fb geometry 2018-07-27 8:38 ` [PATCH] drm/kms/atomic: Used existing func for checking fb geometry Satendra Singh Thakur @ 2018-07-27 9:51 ` Maarten Lankhorst 0 siblings, 0 replies; 5+ messages in thread From: Maarten Lankhorst @ 2018-07-27 9:51 UTC (permalink / raw) To: Satendra Singh Thakur, Gustavo Padovan, Sean Paul, David Airlie, dri-devel, linux-kernel Cc: vineet.j, hemanshu.s, sst2005 Op 27-07-18 om 10:38 schreef Satendra Singh Thakur: > 1.In the func drm_atomic_plane_check, the fb geometry checking code > can be replaced by func drm_framebuffer_check_src_coords, this will > remove several redundant lines of code. > 2. Currently, in the func drm_atomic_plane_check; > there are 3 if statements in the beginning with total 5 conditions. > these conditions are > crtc is NULL but fb is non-NULL > if (state->crtc && !state->fb) > crtc is non-NULL but fb is NULL > if (state->fb && !state->crtc) > crtc is NULL (and fb is also NULL) > if (!state->crtc) > > The same code can be re-written using 2 if statements and 4 conditions. > first we check whether crtc and fb both are NULL > if (!state->crtc && !state->fb) > then we check either crtc or fb is NULL > if (!state->crtc || !state->fb) > > Signed-off-by: Satendra Singh Thakur <satendra.t@samsung.com> > --- > drivers/gpu/drm/drm_atomic.c | 37 +++++++++---------------------------- > 1 file changed, 9 insertions(+), 28 deletions(-) > > diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c > index 895741e..1cddab8 100644 > --- a/drivers/gpu/drm/drm_atomic.c > +++ b/drivers/gpu/drm/drm_atomic.c > @@ -909,22 +909,16 @@ plane_switching_crtc(struct drm_atomic_state *state, > static int drm_atomic_plane_check(struct drm_plane *plane, > struct drm_plane_state *state) > { > - unsigned int fb_width, fb_height; > int ret; > > - /* either *both* CRTC and FB must be set, or neither */ > - if (state->crtc && !state->fb) { > - DRM_DEBUG_ATOMIC("CRTC set but no FB\n"); > - return -EINVAL; > - } else if (state->fb && !state->crtc) { > - DRM_DEBUG_ATOMIC("FB set but no CRTC\n"); > - return -EINVAL; > - } > - > /* if disabled, we don't care about the rest of the state: */ > - if (!state->crtc) > + if (!state->crtc && !state->fb) > return 0; > - > + /* both CRTC and FB must be set*/ > + if (!state->crtc || !state->fb) { > + DRM_DEBUG_ATOMIC("Either no CRTC or no FB\n"); > + return -EINVAL; > + } > /* Check whether this plane is usable on this CRTC */ > if (!(plane->possible_crtcs & drm_crtc_mask(state->crtc))) { > DRM_DEBUG_ATOMIC("Invalid crtc for plane\n"); This should be a separate patch? > @@ -954,24 +948,11 @@ static int drm_atomic_plane_check(struct drm_plane *plane, > return -ERANGE; > } > > - fb_width = state->fb->width << 16; > - fb_height = state->fb->height << 16; > - > /* Make sure source coordinates are inside the fb. */ > - if (state->src_w > fb_width || > - state->src_x > fb_width - state->src_w || > - state->src_h > fb_height || > - state->src_y > fb_height - state->src_h) { > - DRM_DEBUG_ATOMIC("Invalid source coordinates " > - "%u.%06ux%u.%06u+%u.%06u+%u.%06u (fb %ux%u)\n", > - state->src_w >> 16, ((state->src_w & 0xffff) * 15625) >> 10, > - state->src_h >> 16, ((state->src_h & 0xffff) * 15625) >> 10, > - state->src_x >> 16, ((state->src_x & 0xffff) * 15625) >> 10, > - state->src_y >> 16, ((state->src_y & 0xffff) * 15625) >> 10, > - state->fb->width, state->fb->height); > + ret = drm_framebuffer_check_src_coords(state->src_x, state->src_y, > + state->src_w, state->src_h, state->fb); > + if (ret) > return -ENOSPC; Change this to return ret, no need to swallow errors. :) > - } > - > if (plane_switching_crtc(state->state, plane, state)) { > DRM_DEBUG_ATOMIC("[PLANE:%d:%s] switching CRTC directly\n", > plane->base.id, plane->name); ^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [PATCH] drm/kms/atomic: Used existing func for checking fb geometry @ 2018-07-27 9:51 ` Maarten Lankhorst 0 siblings, 0 replies; 5+ messages in thread From: Maarten Lankhorst @ 2018-07-27 9:51 UTC (permalink / raw) To: Satendra Singh Thakur, Gustavo Padovan, Sean Paul, David Airlie, dri-devel, linux-kernel Cc: hemanshu.s, vineet.j, sst2005 Op 27-07-18 om 10:38 schreef Satendra Singh Thakur: > 1.In the func drm_atomic_plane_check, the fb geometry checking code > can be replaced by func drm_framebuffer_check_src_coords, this will > remove several redundant lines of code. > 2. Currently, in the func drm_atomic_plane_check; > there are 3 if statements in the beginning with total 5 conditions. > these conditions are > crtc is NULL but fb is non-NULL > if (state->crtc && !state->fb) > crtc is non-NULL but fb is NULL > if (state->fb && !state->crtc) > crtc is NULL (and fb is also NULL) > if (!state->crtc) > > The same code can be re-written using 2 if statements and 4 conditions. > first we check whether crtc and fb both are NULL > if (!state->crtc && !state->fb) > then we check either crtc or fb is NULL > if (!state->crtc || !state->fb) > > Signed-off-by: Satendra Singh Thakur <satendra.t@samsung.com> > --- > drivers/gpu/drm/drm_atomic.c | 37 +++++++++---------------------------- > 1 file changed, 9 insertions(+), 28 deletions(-) > > diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c > index 895741e..1cddab8 100644 > --- a/drivers/gpu/drm/drm_atomic.c > +++ b/drivers/gpu/drm/drm_atomic.c > @@ -909,22 +909,16 @@ plane_switching_crtc(struct drm_atomic_state *state, > static int drm_atomic_plane_check(struct drm_plane *plane, > struct drm_plane_state *state) > { > - unsigned int fb_width, fb_height; > int ret; > > - /* either *both* CRTC and FB must be set, or neither */ > - if (state->crtc && !state->fb) { > - DRM_DEBUG_ATOMIC("CRTC set but no FB\n"); > - return -EINVAL; > - } else if (state->fb && !state->crtc) { > - DRM_DEBUG_ATOMIC("FB set but no CRTC\n"); > - return -EINVAL; > - } > - > /* if disabled, we don't care about the rest of the state: */ > - if (!state->crtc) > + if (!state->crtc && !state->fb) > return 0; > - > + /* both CRTC and FB must be set*/ > + if (!state->crtc || !state->fb) { > + DRM_DEBUG_ATOMIC("Either no CRTC or no FB\n"); > + return -EINVAL; > + } > /* Check whether this plane is usable on this CRTC */ > if (!(plane->possible_crtcs & drm_crtc_mask(state->crtc))) { > DRM_DEBUG_ATOMIC("Invalid crtc for plane\n"); This should be a separate patch? > @@ -954,24 +948,11 @@ static int drm_atomic_plane_check(struct drm_plane *plane, > return -ERANGE; > } > > - fb_width = state->fb->width << 16; > - fb_height = state->fb->height << 16; > - > /* Make sure source coordinates are inside the fb. */ > - if (state->src_w > fb_width || > - state->src_x > fb_width - state->src_w || > - state->src_h > fb_height || > - state->src_y > fb_height - state->src_h) { > - DRM_DEBUG_ATOMIC("Invalid source coordinates " > - "%u.%06ux%u.%06u+%u.%06u+%u.%06u (fb %ux%u)\n", > - state->src_w >> 16, ((state->src_w & 0xffff) * 15625) >> 10, > - state->src_h >> 16, ((state->src_h & 0xffff) * 15625) >> 10, > - state->src_x >> 16, ((state->src_x & 0xffff) * 15625) >> 10, > - state->src_y >> 16, ((state->src_y & 0xffff) * 15625) >> 10, > - state->fb->width, state->fb->height); > + ret = drm_framebuffer_check_src_coords(state->src_x, state->src_y, > + state->src_w, state->src_h, state->fb); > + if (ret) > return -ENOSPC; Change this to return ret, no need to swallow errors. :) > - } > - > if (plane_switching_crtc(state->state, plane, state)) { > DRM_DEBUG_ATOMIC("[PLANE:%d:%s] switching CRTC directly\n", > plane->base.id, plane->name); _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel ^ permalink raw reply [flat|nested] 5+ messages in thread
[parent not found: <CGME20180727110534epcas5p1b5d48f9f92b7d6874bbe15c2f80dce1c@epcas5p1.samsung.com>]
* [PATCH v1] drm/kms/atomic: Improving func drm_atomic_plane_check [not found] ` <CGME20180727110534epcas5p1b5d48f9f92b7d6874bbe15c2f80dce1c@epcas5p1.samsung.com> @ 2018-07-27 11:04 ` Satendra Singh Thakur 0 siblings, 0 replies; 5+ messages in thread From: Satendra Singh Thakur @ 2018-07-27 11:04 UTC (permalink / raw) To: Gustavo Padovan, Maarten Lankhorst, Sean Paul, David Airlie, dri-devel, linux-kernel Cc: vineet.j, hemanshu.s, sst2005, Satendra Singh Thakur Currently, in the func drm_atomic_plane_check; there are 3 if statements in the beginning with total 5 conditions. these conditions are crtc is NULL but fb is non-NULL if (state->crtc && !state->fb) crtc is non-NULL but fb is NULL if (state->fb && !state->crtc) crtc is NULL (and fb is also NULL) if (!state->crtc) The same code can be re-written using 2 if statements and 4 conditions. first we check whether crtc and fb both are NULL if (!state->crtc && !state->fb) then we check either crtc or fb is NULL if (!state->crtc || !state->fb) Signed-off-by: Satendra Singh Thakur <satendra.t@samsung.com> --- v1: Hi Mr Maarten, Thanks for the comments. I have splitted them into two patches. drivers/gpu/drm/drm_atomic.c | 17 +++++++---------- 1 file changed, 7 insertions(+), 10 deletions(-) diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c index 895741e..0415bbf 100644 --- a/drivers/gpu/drm/drm_atomic.c +++ b/drivers/gpu/drm/drm_atomic.c @@ -912,18 +912,15 @@ static int drm_atomic_plane_check(struct drm_plane *plane, unsigned int fb_width, fb_height; int ret; - /* either *both* CRTC and FB must be set, or neither */ - if (state->crtc && !state->fb) { - DRM_DEBUG_ATOMIC("CRTC set but no FB\n"); - return -EINVAL; - } else if (state->fb && !state->crtc) { - DRM_DEBUG_ATOMIC("FB set but no CRTC\n"); - return -EINVAL; - } - /* if disabled, we don't care about the rest of the state: */ - if (!state->crtc) + if (!state->crtc && !state->fb) return 0; + /* both CRTC and FB must be set*/ + if (!state->crtc || !state->fb) { + DRM_DEBUG_ATOMIC("Either invalid CRTC [%p] or invalid FB [%p]\n", + state->crtc, state->fb); + return -EINVAL; + } /* Check whether this plane is usable on this CRTC */ if (!(plane->possible_crtcs & drm_crtc_mask(state->crtc))) { -- 2.7.4 ^ permalink raw reply related [flat|nested] 5+ messages in thread
[parent not found: <CGME20180727111112epcas5p35e49be90453d18c560207d6ab34661ec@epcas5p3.samsung.com>]
* [PATCH v1] drm/kms/atomic: Using existing func for checking framebuffer dimensions [not found] ` <CGME20180727111112epcas5p35e49be90453d18c560207d6ab34661ec@epcas5p3.samsung.com> @ 2018-07-27 11:11 ` Satendra Singh Thakur 0 siblings, 0 replies; 5+ messages in thread From: Satendra Singh Thakur @ 2018-07-27 11:11 UTC (permalink / raw) To: Gustavo Padovan, Maarten Lankhorst, Sean Paul, David Airlie, dri-devel, linux-kernel Cc: vineet.j, hemanshu.s, sst2005, Satendra Singh Thakur In the func drm_atomic_plane_check, the fb geometry checking code can be replaced by func drm_framebuffer_check_src_coords, this will remove several redundant lines of code. Signed-off-by: Satendra Singh Thakur <satendra.t@samsung.com> --- v1: Hi Mr Maarten, Thanks for the comments. I have splitted them into two patches. drivers/gpu/drm/drm_atomic.c | 22 ++++------------------ 1 file changed, 4 insertions(+), 18 deletions(-) diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c index 895741e..953bd2a 100644 --- a/drivers/gpu/drm/drm_atomic.c +++ b/drivers/gpu/drm/drm_atomic.c @@ -909,7 +909,6 @@ plane_switching_crtc(struct drm_atomic_state *state, static int drm_atomic_plane_check(struct drm_plane *plane, struct drm_plane_state *state) { - unsigned int fb_width, fb_height; int ret; /* either *both* CRTC and FB must be set, or neither */ @@ -954,24 +953,11 @@ static int drm_atomic_plane_check(struct drm_plane *plane, return -ERANGE; } - fb_width = state->fb->width << 16; - fb_height = state->fb->height << 16; - /* Make sure source coordinates are inside the fb. */ - if (state->src_w > fb_width || - state->src_x > fb_width - state->src_w || - state->src_h > fb_height || - state->src_y > fb_height - state->src_h) { - DRM_DEBUG_ATOMIC("Invalid source coordinates " - "%u.%06ux%u.%06u+%u.%06u+%u.%06u (fb %ux%u)\n", - state->src_w >> 16, ((state->src_w & 0xffff) * 15625) >> 10, - state->src_h >> 16, ((state->src_h & 0xffff) * 15625) >> 10, - state->src_x >> 16, ((state->src_x & 0xffff) * 15625) >> 10, - state->src_y >> 16, ((state->src_y & 0xffff) * 15625) >> 10, - state->fb->width, state->fb->height); - return -ENOSPC; - } - + ret = drm_framebuffer_check_src_coords(state->src_x, state->src_y, + state->src_w, state->src_h, state->fb); + if (ret) + return ret; if (plane_switching_crtc(state->state, plane, state)) { DRM_DEBUG_ATOMIC("[PLANE:%d:%s] switching CRTC directly\n", plane->base.id, plane->name); -- 2.7.4 ^ permalink raw reply related [flat|nested] 5+ messages in thread
end of thread, other threads:[~2018-07-27 11:11 UTC | newest] Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- [not found] <CGME20180727083812epcas5p39f97180e85def2b4b4c1b68af2e83b41@epcas5p3.samsung.com> 2018-07-27 8:38 ` [PATCH] drm/kms/atomic: Used existing func for checking fb geometry Satendra Singh Thakur 2018-07-27 9:51 ` Maarten Lankhorst 2018-07-27 9:51 ` Maarten Lankhorst [not found] ` <CGME20180727110534epcas5p1b5d48f9f92b7d6874bbe15c2f80dce1c@epcas5p1.samsung.com> 2018-07-27 11:04 ` [PATCH v1] drm/kms/atomic: Improving func drm_atomic_plane_check Satendra Singh Thakur [not found] ` <CGME20180727111112epcas5p35e49be90453d18c560207d6ab34661ec@epcas5p3.samsung.com> 2018-07-27 11:11 ` [PATCH v1] drm/kms/atomic: Using existing func for checking framebuffer dimensions Satendra Singh Thakur
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